Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7c584578ffa5271…

MALICIOUS

PDF

44.1 KB Created: 2020-07-30 07:44:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3f470affa5f081ac808ef6f31a5a4b34 SHA-1: 0d95ea82ee41ac56d1da9b5e0e4cc89c9e5470bd SHA-256: d7c584578ffa5271ca4e3fbc008a027049203a260ae32782f992ecb2778ee142
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, with a heuristic firing indicating a PDF link farm. One of the primary URLs, 'https://ttraff.ru/pify?keyword=the+pale+lady+pdf', is flagged as malicious, suggesting a redirection to harmful content. The presence of numerous links, including those hosted on Shopify, indicates a potential SEO manipulation or a large-scale phishing 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.ru/pify?keyword=the+pale+lady+pdf In PDF document text
    • http://files.montanahorsesandmules.com/uploads/1/3/2/6/132682171/venolunerasuz.pdfIn PDF document text
    • http://files.magillcontracting.com/uploads/1/3/2/3/132303001/3516241.pdfIn PDF document text
    • http://files.wingspan-wellness.com/uploads/1/3/1/1/131164046/jatesodinimejel.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/1/0433/0032/3478/files/rolibesimorozopozo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2020/6758/files/30388474226.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2937/2836/files/63005561573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6079/6318/files/98437083339.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0803/2922/files/lefarexoga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1575/6181/files/92134948616.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1848/4888/files/jujipujusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6946/4991/files/45030631346.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5281/7832/files/sibosivobegefenutavuvumuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2524/4053/files/20630550853.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/30154173559.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_off00007262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7262 4348 bytes
SHA-256: 993df1fc310dec7d94fd1ae7c40d53aedd04815b262ab750211b68f8db1ccfab
font_01_sfnt_off00008135.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8135 10052 bytes
SHA-256: 52aa72062378679779587c65fb25656ce2520805c46a9c7f0677d732ea5acd47

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