Malicious PDF — malware analysis report

Static analysis result for SHA-256 184aa2700e3e7e4a…

MALICIOUS

PDF

64.9 KB Created: 2020-08-11 12:41:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a3707b2dcff2877635ee7a0a3905aea1 SHA-1: a4fe3e03fe98a21bcb0c4df4598f4b431639fcc7 SHA-256: 184aa2700e3e7e4abcb411ee2b3b1f52bee73e5854872f46d56571d92851ea95
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external PDF files, many of which point to a redirector service (ttraff.cc). This suggests an attempt to lead users to malicious content or phishing pages. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the embedded links are the primary attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=bardoli+satyagraha+pdf In PDF document text
    • http://files.dcpd.ca/uploads/1/3/1/8/131872037/8985160.pdfIn PDF document text
    • http://files.voicesacrossborders.com/uploads/1/3/1/4/131438692/91537.pdfIn PDF document text
    • http://gusilur.nextlevelpthouston.com/uploads/1/3/1/4/131407406/7231711.pdfIn PDF document text
    • http://files.friendoffaith.org/uploads/1/3/0/8/130814346/bevifax-jobosomegikek-kuxipizelezifem-limejevat.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
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/felatit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3573/7755/files/famepetiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4527/3248/files/major_oceans_of_the_world.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3908/8022/files/varexenatifalukexexukex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6455/5675/files/38542682037.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5949/4555/files/88381248927.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0872/1049/files/85221257608.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5030/2616/files/12839604968.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2095/1458/files/77327766.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1974/7999/files/auckland_transport_code_of_practice.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6665/3858/files/john_deere_la_115_manual.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
    • 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://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 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000719e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x719E 5456 bytes
SHA-256: 8b58a6d9e922d3278e85546623c6674dc07dab7599781b2f061162014a339430
font_01_sfnt_off00008428.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8428 4140 bytes
SHA-256: 2a2f73c0ee504ae8509221dab9a50e72e6c400a18e3952d3eee660ba18a0c3b1
font_02_sfnt_off00009145.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9145 3048 bytes
SHA-256: b5c6b6e0c9ada0bf1c6b02372d38a6194b0fc304f51b15768a03b7bd417def48
font_03_sfnt_off00009d54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D54 3036 bytes
SHA-256: 877920f58e5eeef58f30a774e45627f212a0fc2f95814f1bea1ebc2ebdea1dba
font_04_sfnt_off0000a9f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA9F8 12296 bytes
SHA-256: 6c9b7b860876cfae7b4dfb58ff34c3bbe933c299afe9d559ce99a61998e6bc67
font_05_sfnt_off0000d1bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1BB 16364 bytes
SHA-256: 5c971579a9757ec78140e64ead599d54fdf12b60b3cf2ea948461a3b0714b55c
font_06_sfnt_off0000e805.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE805 3224 bytes
SHA-256: 0cfaca4bb5f89c70df9740475698f7723c60fa4934566cb717e926ccd4576699

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