Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c1fc01dd41a01f6…

MALICIOUS

PDF

45.3 KB Created: 2020-08-10 04:05:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6c38043462d06d18b0f70b9f07d738ea SHA-1: a6fb0735049fa724abeefcea1be84e795957f76c SHA-256: 3c1fc01dd41a01f6d19a79a81a193e665d88198deb1024cffe92203577ceb799
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at ttraff.com. The document body, though heavily obfuscated, contains the URL and keywords suggesting a lure for a drug guide. This indicates the PDF is likely a link farm used to distribute malware or phish users, with the primary malicious URL being the redirector.

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=ondansetron+davis+drug+guide+pdf In PDF document text
    • http://files.bcigaragedoor.com/uploads/1/3/1/1/131164431/gerifomedetosi-pudaxaraxejure-nadelitejurejox-xurafunewifitu.pdfIn PDF document text
    • http://risub.dw-nz-gifts-in-native-timbers.com/uploads/1/3/0/8/130874254/f21b0742.pdfIn PDF document text
    • http://files.jcmconference.org/uploads/1/3/1/1/131164112/tetipibe_salekodag_ramunu.pdfIn PDF document text
    • http://files.jbowerengraving.com/uploads/1/3/0/7/130775276/rupototanu.pdfIn PDF document text
    • http://files.phuketfishingcharters.net/uploads/1/3/1/0/131070597/gazupe-jupatikaj-mobonaro-xiwulite.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/1/0433/0687/7080/files/favubedezemopazejive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5525/9546/files/calendario_laboral_2020_baleares.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8030/2240/files/xovogoxozeretoxenitari.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8105/6935/files/89994396451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6382/0959/files/58946207581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7773/0464/files/64946702054.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4843/4840/files/installing_crouton_on_chromebook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12410546401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8702/8641/files/wawekoxomu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8752/8103/files/31500392978.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 2

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_off000073fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73FA 5264 bytes
SHA-256: 159469ebe7c2ce76428409b099740cc869de4bde87a10822f197abed66ffbbb9
font_01_sfnt_off000085fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85FB 9996 bytes
SHA-256: 01ba567fdbb9648e00f5f9dbdd9cf2e754b4ff37b4cc8013c015685437e0f597

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