Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fc266dde7795f6a…

MALICIOUS

PDF

34.9 KB Created: 2020-08-15 07:17:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 84fc3a4432b6cb5171f23e1012ce003b SHA-1: d551ca203506eeadaf731e1971ee2a2b06456722 SHA-256: 6fc266dde7795f6ade0ea16a95d7147e873c76df2c49d95038dda3d0092f817d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a critical heuristic firing indicating redirection to known malicious infrastructure via the URL 'https://ttraff.ru/pify?keyword=sheet+metal+guillotine+for+sale+australia'. This suggests a phishing or malware distribution attempt. The presence of a large number of external PDF links also points to a link farm or SEO manipulation tactic to distribute malicious content.

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=sheet+metal+guillotine+for+sale+australia In PDF document text
    • http://files.messymommiesinthecity.com/uploads/1/3/1/3/131378780/janasewavuwanex.pdfIn PDF document text
    • http://jutapur.researchlearningcommunities.org/uploads/1/3/0/7/130740025/1508727.pdfIn PDF document text
    • http://xexekes.turniptheflavor.com/uploads/1/3/0/7/130776167/68ffa680963d7d.pdfIn PDF document text
    • http://files.ops-copiers.com/uploads/1/3/1/1/131164424/f7d901a685fa2.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/1/0429/1251/4201/files/sotukovese.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0087/8488/files/48755129002.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9242/7430/files/newoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0677/0849/files/raluwarekavineketurazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4353/6541/files/42848016433.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/0397/4556/files/tesokaduvulujilakunuweb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0080/7070/files/stephen_karpman_drama_triangle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2576/7320/files/54773257483.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3920/3229/files/certified_scrum_master_resume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8482/4222/files/weduxa.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
🗂 Part of campaign: coupadvantageportal.com 4 samples

Related samples 3

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_off00004ae3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AE3 5284 bytes
SHA-256: 1654dd28d73a2ecac9c465d107667d69410dda1fc609ff6668a48e6a2c28b657
font_01_sfnt_off00005cb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CB3 10040 bytes
SHA-256: 79e30c3ba724105d426518fbe4637bdad0f4c78b8aa858a0e55e6f7ba1574610

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