Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cc09ab3f51faff9…

MALICIOUS

PDF

45.4 KB Created: 2020-08-22 12:04:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8743a48e72b46b2bf5b997355ad6f10a SHA-1: 26477036e53fa3b1d133429f7742861cb0d16a08 SHA-256: 1cc09ab3f51faff9c24e2a5ccac0dd910274735c26514fde16252f2f6665803e
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'https://ttraff.com/pify?keyword=healthsource+global+test+answers'. The document body, though heavily obfuscated, contains references to test answers and URLs, suggesting a lure. The presence of numerous external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content. No scripts were extracted, but the PDF structure and heuristics strongly suggest a phishing or malware delivery 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=healthsource+global+test+answers In PDF document text
    • http://vuvur.missingpersonsrv.com/uploads/1/3/2/3/132303354/598715.pdfIn PDF document text
    • http://files.reginasmallsbaker.com/uploads/1/3/1/0/131070518/3077492.pdfIn PDF document text
    • http://files.kathryncarlberg.com/uploads/1/3/0/7/130776386/7510076.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/1/0428/5497/3606/files/14281685991.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0654/9406/files/tatufa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87899810879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1573/2376/files/64043740928.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8135/1839/files/amfetamin_bamll.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2147/4714/files/downtown_dallas_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5271/9515/files/minion_rush_game_apk_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4571/6129/files/vunamogatedupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8317/7887/files/doxiteri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/1676/8923/files/echo_srm_225_gas_oil_mix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2898/7547/files/fonowagokukox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevaziretojigadogikoranab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3054/3512/files/android_10_not_charging.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9939/8052/files/ruxowibalogawetilusevi.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 7

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_off00007265.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7265 5252 bytes
SHA-256: 47f76337fb55018e50291e26387537687fef64efc6c3b0555a8e592605fe6e01
font_01_sfnt_off0000844a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x844A 10856 bytes
SHA-256: 659fa8c953367ffcc644b76fc0985e281bfca45903f163806df02d44fbf3b43b

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