Malicious PDF — malware analysis report

Static analysis result for SHA-256 fde996b27d1d6680…

MALICIOUS

PDF

68.2 KB Created: 2020-08-20 06:49:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d544e956d6fbca081f112a239f27f83b SHA-1: 92eb12827e42c6d92f1ef51591da6cb2194c27d0 SHA-256: fde996b27d1d66804cfb40a2bb47636c5d30c8c0ea23f93fe283c3249859996f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF was flagged as malicious due to its inclusion of a link to a known malicious redirector, ttraff.cc. It also contains a large number of external links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The document body, though heavily obfuscated, contains the same redirector URL. The primary attack pattern involves luring users through deceptive content to click on malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/pify?keyword=bal+ganesh+telugu+songs++mp4 In PDF document text
    • http://files.smokefreebyattrition.com/uploads/1/3/1/6/131637658/45adb6b.pdfIn PDF document text
    • http://lanevodo.annualgolf.com/uploads/1/3/0/8/130814328/1581105.pdfIn PDF document text
    • http://lesomuje.bushkillumc.com/uploads/1/3/0/7/130775376/79068.pdfIn PDF document text
    • http://files.smenospublications.com/uploads/1/3/0/7/130740217/6044508.pdfIn 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
    • https://cdn.shopify.com/s/files/1/0434/0105/2323/files/securecrt_portable_x64_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7381/4182/files/didevu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xasojikunu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7424/8101/files/4136797025.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4084/7510/files/bhoot_ki_darawni_awaz_ringtone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5353/0782/files/tesuxipaxexorojupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6788/1125/files/3564232039.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6211/6008/files/13591047575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5630/7107/files/the_short_oxford_history_of_english_literature_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1104/7575/files/46029771306.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4405/2898/files/98240256162.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
    • http://scripts.sil.org/OFLIn PDF document text
    • https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a06d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA06D 5276 bytes
SHA-256: beae53a4457592ec611762ca8cc8e7fb12c61c2c9265e3a2793991ba21fed48e
font_01_sfnt_off0000b236.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB236 3868 bytes
SHA-256: 1ba05a4bec3a9a444f48650b4153c0c2f47e11e528055d4e007897a62ab3b698
font_02_sfnt_off0000c120.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC120 13700 bytes
SHA-256: 412e90b830aefbcaf072a766ac650131860ab2e9ee5d91d8ecdb36afe8ffdc2f
font_03_sfnt_off0000ec90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC90 16092 bytes
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67