Malicious PDF — malware analysis report

Static analysis result for SHA-256 730fe1a29ed6cc75…

MALICIOUS

PDF

54.6 KB Created: 2020-08-09 02:40:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a01170cd0414899f5c897135a260b214 SHA-1: dba8d370cee9470bfdff73d15f5668cf65afe5ea SHA-256: 730fe1a29ed6cc75397164afb83c96ad42db4686563736e7fc9c93e02475257c
202 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at https://ttraff.ru/pify?keyword=byod+security+policy+pdf. This redirector is likely used to funnel victims to a phishing or malware distribution site. The document body, though heavily obfuscated, contains references to 'byod security policy pdf' and the same redirector URL, reinforcing the lure. The presence of multiple embedded links to external PDFs, some hosted on Shopify, suggests a link farm or SEO manipulation tactic to increase visibility and clicks.

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=byod+security+policy+pdf In PDF document text
    • http://files.reveil-corporel.com/uploads/1/3/1/8/131856105/terokevu.pdfIn PDF document text
    • http://files.rockytopvacationhomerentals.com/uploads/1/3/1/8/131856288/6977774.pdfIn PDF document text
    • http://files.andreserpoosh.com/uploads/1/3/1/3/131382141/gizobotudotized_xuborogi.pdfIn PDF document text
    • http://files.cassandraliuzzo.com/uploads/1/3/1/8/131856125/ralonaxigawiro.pdfIn PDF document text
    • http://files.jess-cbd.com/uploads/1/3/1/4/131483143/680103.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/1/0434/0462/4021/files/nopal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/infarctus_du_myocarde_causes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0268/2789/files/kojuviguravujok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3292/0732/files/29300089744.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2561/3475/files/rodik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/76334740831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5851/1510/files/el_aguijon_de_pablo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0589/5075/files/52991617285.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5082/6905/files/konafetujubikejerafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6020/8540/files/numpy_rotation_matrix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4922/2298/files/28842258253.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000097dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97DD 5092 bytes
SHA-256: ad5167bbf77f331fe20f29b207f40850da01685ed0e4a2a6ac8a1a1d77406772
font_01_sfnt_off0000a950.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA950 10748 bytes
SHA-256: cd90dafd47f5283a720951c4e91f16e3cace4ef2bd5399ba91cd0cd44537a84a