Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ef34d70c9e9bacf…

MALICIOUS

PDF

35.2 KB Created: 2020-08-08 05:17:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4960172d6f4d26656885430b175ab900 SHA-1: e27e2b866d9fc14d4e542df9a03789547103d326 SHA-256: 6ef34d70c9e9bacf71237bfdb6aef90b9991bc9b3b59bc8d0557fa3890698fa9
194 Risk Score

Malware Insights

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

The PDF document contains embedded links that redirect to a malicious domain, identified as a redirector for phishing or malware distribution. The document body, though obfuscated, contains a URL that matches the redirector found in the heuristics. The presence of numerous external PDF links further suggests an attempt to obscure the final destination and potentially engage in SEO manipulation for malicious purposes.

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/wb?keyword=corpsman%20manual%20questions In PDF document text
    • http://dajege.jeteliteaviation.com/uploads/1/3/1/4/131409090/a7c3d062adfe131.pdfIn PDF document text
    • http://files.foreverrockcandles.com/uploads/1/3/0/7/130776370/puzewo.pdfIn PDF document text
    • http://files.snovalinc.com/uploads/1/3/1/3/131380889/7866632.pdfIn PDF document text
    • http://ximememe.delcodiamondsfastpitch.com/uploads/1/3/0/7/130740025/f342b3.pdfIn PDF document text
    • http://losipuxig.rsllcw.com/uploads/1/3/2/6/132682883/luriwizogage.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/1/0430/4686/3005/files/71068798030.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9477/8791/files/majefategoxilemugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9356/6364/files/ns_session_id.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/vafurubikizetosuworobu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9322/0758/files/54915344431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1284/0862/files/13637212467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1867/1512/files/asthma_action_plan_texas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7801/7443/files/bls_acls_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4673/9878/files/xavater.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/6601/1298/files/list_of_digestive_enzymes_and_their_functions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0506/6913/files/xuteraxunajemewisuxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/blank_budget_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6336/2204/files/fawamojodido.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_off00004b61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B61 4996 bytes
SHA-256: 067e230b8591303d3d00454f7e6103e5c9a8b7a72177c0894abe6465fc805c32
font_01_sfnt_off00005c40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C40 10048 bytes
SHA-256: 2cc81355996e592e45f220004844046ae83921aee362c6307b493e6db95918a6

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