Malicious PDF — malware analysis report

Static analysis result for SHA-256 660857f49b19f2d7…

MALICIOUS

PDF

109.9 KB Created: 2020-09-07 12:15:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7db8522f524a16891049bc0197ecf44c SHA-1: 71ba535136147fffac86899a43ab2cae202a8752 SHA-256: 660857f49b19f2d792c55cc940390b23de1ac6cca011284619a19e3dcd1689ac
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains multiple heuristics indicating malicious redirection and a link farm designed to lure users. The embedded URL 'https://ttraff.cc/wix?keyword=amharic+bible+apps' is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and a list of other PDF links, suggesting a phishing or scam attempt to drive traffic to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9952

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/wix?keyword=amharic+bible+apps In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
    • http://smc.org.inhttp://smc.org.inIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://static.usrfiles.com/ugd/c5d40f_5b15e81a65ef412596d001d45ff17009.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/83b1b3_5aca5f0a78cb4ed4b95e8e9f8cd18adb.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6a7407_12777f01aef945e6bae32497129537a7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4578/1665/files/28751799068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2728/1558/files/69568174915.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7315/8806/files/48078457317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/87323231883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1789/5070/files/23818544707.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8358/6977/files/xidexevefin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8628/9832/files/vobofogubelelasugokasip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7346/9597/files/rufezowubuwowinuwejezi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9751/2354/files/fesatuditemenijafif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1308/6106/files/kafufujilop.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 10

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F1C 35248 bytes
SHA-256: f01b132fd2f3280667e7a7b9ccdbdbf4119854882711187f84773ef16a2168e4
font_01_sfnt_off0000c9db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9DB 8864 bytes
SHA-256: 5488a9725e6a3964a82e237fdaef9e0e5e88520fa324084eeff55287d494a95d
font_02_sfnt_off0000e766.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE766 5300 bytes
SHA-256: ed3e4d6ed76293523076e19730542b1e16763cbe87d63602f2bcadff101d0e12
font_03_sfnt_off0000f936.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF936 5484 bytes
SHA-256: 8e8f0ec7c7acd1fc92f400fed707155fc0019638d12e208b59ce78c88937276b
font_04_sfnt_off00010ae0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AE0 4896 bytes
SHA-256: 400e9459b65bcad856e5ff29fbda71613279c30c7e908cb272bf4994262b79dd
font_05_sfnt_off00011cc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CC6 4376 bytes
SHA-256: 5b2d243175c94293226ae8081ef5ac76da71c59e039deb793623324a5bfd9500
font_06_sfnt_off0001289c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1289C 9116 bytes
SHA-256: 8c928ad25389fc95058fcda99cb62d63eb50ff0d7de7f6c62b6443990591946e
font_07_sfnt_off00014207.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14207 17460 bytes
SHA-256: 707a87fd50f73795b773b9017cfe24e91f26b5383e13b95025ebf540a6ffc916
font_08_sfnt_off000175fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x175FB 19604 bytes
SHA-256: 23433f2eba693e2bf0ab3926a6f5cd1d5c5260708b07b9749f635e2cafd70589
font_09_sfnt_off00019611.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19611 4776 bytes
SHA-256: 216dae46cfe6cc1c49c49f17f0b10bf089cccf87cfd9cecfb86d4a7a13efc65e

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