Malicious PDF — malware analysis report

Static analysis result for SHA-256 01369d9074a409d5…

MALICIOUS

PDF

42.0 KB Created: 2020-08-06 05:12:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5faebf99fd307ead3a7c4ddc4e7e124f SHA-1: 706ae33b6398a479e9a6cf5111296691f21b7702 SHA-256: 01369d9074a409d5bde3a5329e33cc95567ea13cfa7d83f63dee90230cdb2f76
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) identified as malicious. The document body, though partially obfuscated, suggests a lure related to communication guides, likely to entice clicks. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's a link farm designed for SEO phishing, aiming to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.ru/pify?keyword=importance+and+benefits+of+effective+communication+pdf In PDF document text
    • http://sokonanog.vstsandmore.com/uploads/1/3/1/0/131069839/wetexupebexege_bodijetusiloje_lotoxaw.pdfIn PDF document text
    • http://ferij.lyncostudios.com/uploads/1/3/0/8/130874197/09b306bb.pdfIn PDF document text
    • http://files.prooutboard.com/uploads/1/3/0/7/130775018/9dec4b1be7f0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/zevobokigonokiga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5930/5880/files/15196528854.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7312/6052/files/sulevodepufazezowux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1001/3853/files/93313409900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5488/3231/files/83432355313.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3970/2687/files/bufutosazut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7460/1635/files/liberalismo_mexicano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0047/1456/files/lulef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7400/2837/files/4097153270.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/26403442011.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7780/2911/files/dopojobixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9936/3222/files/34570948186.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

Related samples 6

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006685.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6685 5408 bytes
SHA-256: 43ddd1873cfdb023ebaafda503bb5bed4989dd02f0301f47a972de4bc74b7832
font_01_sfnt_off000078d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78D0 10060 bytes
SHA-256: f88b3182ba21f533e1f099e360324a6b9102cecbdbbdba2650295590fcb226ad

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