Malicious PDF — malware analysis report

Static analysis result for SHA-256 a170c660a0b6041b…

MALICIOUS

PDF

40.1 KB Created: 2020-08-27 23:52:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 80a527a74ec7bb05dbfce6014f7546b8 SHA-1: 57ba32ade14561b46ed0c81d828377ecefc5c411 SHA-256: a170c660a0b6041b0e6ab0cb72a8673e3b65f3a6f832500adf0bf33c8950b2c3
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The document body text, though partially corrupted, includes the phrase "Meat buyers guide 8th edition" and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of numerous embedded links, many pointing to Shopify domains, indicates an attempt to obscure the final malicious destination.

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=meat+buyers+guide+8th+edition In PDF document text
    • http://govowa.jodileeart.com/uploads/1/3/1/4/131454207/mejalazapijumuf.pdfIn PDF document text
    • http://wobex.cjtogz.com/uploads/1/3/2/8/132814930/2519035.pdfIn PDF document text
    • http://jazuzovib.freeurnsforveterans.org/uploads/1/3/0/8/130874493/8073954.pdfIn PDF document text
    • http://files.diagnosingdifference.com/uploads/1/3/1/8/131871416/fb8a018.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/1/0430/4489/6917/files/nature_and_scope_of_administrative_law.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8551/9255/files/36538405283.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1493/8014/files/a_level_maths_edexcel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2698/7680/files/pewigoworujow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7857/2450/files/xonujijur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9540/0356/files/kefapo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9452/3552/files/ropasurogowilonamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8373/4943/files/business_process_engineering.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0365/7887/files/microeconomics_mankiw_7th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9340/8409/files/blessed_be_your_name_guitar_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2323/5232/files/rakomibav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9136/5792/files/benefits_of_fasting_and_prayer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1956/5216/files/42880079152.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_off00005b09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B09 5496 bytes
SHA-256: 5eca729c88581e0b6c75892866373e48d68d46b241bf5cd4aa53e82863e06f85
font_01_sfnt_off00006db4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB4 10728 bytes
SHA-256: 3aead8cb34b91725ffcf83ed66e3a212c1111df22c1b817648313017128a1e4e

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