Malicious PDF — malware analysis report

Static analysis result for SHA-256 2edc7541c58af9ea…

MALICIOUS

PDF

63.5 KB Created: 2020-08-15 06:33:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 46827ce77767e33a7d63a663bb84ef44 SHA-1: eca23369cf4399b7f439ec092c3779015ce42aa7 SHA-256: 2edc7541c58af9ea4469a9957bed1bf3dabb968e3c9f68de3fe07c8c86ee53e8
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=algebra+1+prentice+hall+answers+pdf'. This URL is likely used to redirect the user to a malicious site. The document also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning tactic to attract victims. No scripts were extracted, but the presence of the malicious redirector and the document's structure indicate a phishing or redirection attempt.

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.com/pify?keyword=algebra+1+prentice+hall+answers+pdf In PDF document text
    • http://files.cashfromtreasures.com/uploads/1/3/1/3/131384025/mexorivumosate-wakobi-supufeg-suraminomaron.pdfIn PDF document text
    • http://kenodu.theonestarsalon.com/uploads/1/3/0/8/130814328/sivubusukivuxibuz.pdfIn PDF document text
    • http://files.bakingbeast.com/uploads/1/3/1/6/131607093/4031847.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0269/9681/files/81005036538.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7780/3931/files/16049316429.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4008/0021/files/90521710528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3080/5671/files/cerebral_venous_sinus_thrombosis_guidelines.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6129/6790/files/modern_control_engineering_ogata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6888/3106/files/forobosogaroso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6117/2631/files/feniviwumufolivelafakenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6756/3429/files/adductor_muscles_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1560/2337/files/siriramaxirosamuxufav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4180/0860/files/brain_edema_treatment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4667/4336/files/kagepasu.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006fbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FBC 5368 bytes
SHA-256: a8009e86eed1f8ca61ebacbf40569e6feaa2b4ee9ab17a74bb5bc651247ce14e
font_01_sfnt_off000081f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81F7 3720 bytes
SHA-256: d0c9e33916e9e64e42e31bcf0d345f6c2fcd41735b1a34df0119bd0eb1094281
font_02_sfnt_off00008d53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D53 4376 bytes
SHA-256: de455705823839f0172f8942a67f6847e3d9fcf75f463e94b417bbeab10ba3c4
font_03_sfnt_off00009934.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9934 10196 bytes
SHA-256: 2b1882f14d358c39edbbb74dae5b1720deb9f16eeaab46c622ba62eeec007813
font_04_sfnt_off0000bc34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC34 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
font_05_sfnt_off0000ca37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA37 12352 bytes
SHA-256: 5d78f519b5ea7263aa13d23bd4ddcdb339f66193aa575b1854efd669e302c011

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