Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7ac006cb23b55d1…

MALICIOUS

PDF

49.3 KB Created: 2020-07-30 14:53:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 33a143ea0015fc7a8c0342f665cccbe7 SHA-1: f96b18295ee73c4288c2a5fd438d20ab6af8e0b6 SHA-256: f7ac006cb23b55d13ad6bef62ad36f14e1cf33f7d8f1d066db562831e0f8e45f
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains multiple embedded links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. Another heuristic identified a large number of external PDF links, suggesting a link farm. The document body, though heavily obfuscated, contains text fragments that, combined with the heuristics, suggest a lure for callback phishing or a tech-support scam. The primary malicious URL identified is https://ttraff.com/pify?keyword=cpp+death+benefit+pdf.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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.com/pify?keyword=cpp+death+benefit+pdf In PDF document text
    • http://files.raymondbassmasters.com/uploads/1/3/0/7/130775949/acac351.pdfIn PDF document text
    • http://files.socialmediamarketplace.org/uploads/1/3/0/8/130813134/kixupafoj_ruvibi_vevog_zisumeledijeni.pdfIn PDF document text
    • http://files.aschaxel.com/uploads/1/3/1/3/131381021/sazarurupika_kilebo.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/1/0433/5009/8085/files/pukodar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0591/0935/files/13455593604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7750/9020/files/kugar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1024/4256/files/ziwiwuwokopowanodev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7754/1791/files/binisefegom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9812/8036/files/manaxuganopenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5178/6135/files/10125020293.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1637/2892/files/28798808604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0300/9430/files/27228273442.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8877/1227/files/56594851958.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_off00007a94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A94 4664 bytes
SHA-256: a117d593c67a6262afa72ac8add562e57027cfa882673584519594489b8b9b9d
font_01_sfnt_off00008a68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A68 14560 bytes
SHA-256: a37668c83a8dce51c7b900b757e1158d64278fecc93a7af0e463fcd2e6621443

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