Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1eef7ff363141c9…

MALICIOUS

PDF

39.8 KB Created: 2020-08-22 19:59:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cda2fb265195bfd720dc2a40d89b8e59 SHA-1: cfdfa8956be15901cf5542c912559db7dafa78a0 SHA-256: d1eef7ff363141c9fc96e091568065e5b0f63d6ab6eb3279d4f1c2e6fe8c568e
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the PDF is designed to redirect users to malicious content, likely for further exploitation or credential harvesting.

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=manuale+italiano+burris+eliminator+3 In PDF document text
    • http://files.mrsararadian.com/uploads/1/3/1/4/131453676/725d0ad5d8b20d.pdfIn PDF document text
    • http://pomalojo.togetherforasthma.org/uploads/1/3/1/3/131383483/bbfc8b9e21267.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/1/0429/8535/7463/files/45702947970.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1165/3277/files/gebusivixutarawejedulagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7839/3749/files/senipizipebokebagonej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6551/5933/files/wevulavadoxoluxusit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4590/3774/files/jigonavagebaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0458/2866/9603/files/movie_er_app_for_android_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7808/9878/files/72932161751.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2197/5197/files/ravuzuzuve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2171/4079/files/jio_voice_call_recorder_app.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7118/4794/files/tivogor.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 8

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_off00005864.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5864 5140 bytes
SHA-256: 37f72fb1b5d46abffa79034c58f8b5fbc9fc40b1cef9148bf4dea13df4ae4629
font_01_sfnt_off000069c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69C1 11916 bytes
SHA-256: 67a24c4cf7582e19c3f16bf0591c303fbdcaaadf5fcd5a266fb91c2bf384f33a

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