Malicious PDF — malware analysis report

Static analysis result for SHA-256 5622770cf660aaca…

MALICIOUS

PDF

41.2 KB Created: 2020-08-11 14:59:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7a74389101e14ea97eff57fd6a6105d1 SHA-1: 03530b662d2eb85b3c5371d21a29de157fdde13e SHA-256: 5622770cf660aaca2b7ee8134b156aa8265359f8b658e35fb3652a21d452e32d
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'https://ttraff.com/pify?keyword=ccvc+words+pdf', indicating the primary lure. The presence of numerous links suggests a link farm or SEO poisoning tactic to obscure the malicious destination. No scripts were extracted from this sample.

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=ccvc+words+pdf In PDF document text
    • http://files.katiehornphotography.com.au/uploads/1/3/0/8/130814245/9000118.pdfIn PDF document text
    • http://kiguvufe.cocoally.com/uploads/1/3/1/4/131407406/kojidibomapeminurij.pdfIn PDF document text
    • http://mawan.valleyhavencamp.com/uploads/1/3/0/8/130873995/nelagexifawoput.pdfIn PDF document text
    • http://files.dreamseedfarms.com/uploads/1/3/1/8/131857270/ea3909.pdfIn PDF document text
    • http://files.angelbeyond.com/uploads/1/3/0/7/130738889/kafimigemeturop_suzapapeluz.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/1/0434/6370/4729/files/1933374063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5917/3790/files/96648404703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2955/2552/files/caterpillar_3406_b.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2920/8986/files/teramogolotoza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8987/9445/files/86648780966.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6763/7917/files/77447989523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7772/9430/files/94935896172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3158/5180/files/wupaxaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4058/7423/files/building_construction_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0029/9683/files/zirovuzowuzizuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0234/files/nuranurud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4447/0933/files/28383977734.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2027/1259/files/3780759590.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 4

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_off0000647f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x647F 4964 bytes
SHA-256: 7dc568aca884c52614c0ca37d287ad951daf8ddce7b0a94f230d9df24448b7d5
font_01_sfnt_off00007585.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7585 9988 bytes
SHA-256: b6fdd135a783ef799f784c9c07f058d689900b1df16b60945990790296813176

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