Malicious PDF — malware analysis report

Static analysis result for SHA-256 d27b30a35559f53b…

MALICIOUS

PDF

44.4 KB Created: 2020-08-12 07:39:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3a21b68f49d673b9e01fc6d41dc52565 SHA-1: 14cb18e348ec50c9c700ae8aa4818c262e357079 SHA-256: d27b30a35559f53b3afb98b75ae23003f31ce3705d712cdaf4e68fcde767ca2f
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=interior+design+drawings+pdf'. The document body, though heavily obfuscated, contains text related to interior design drawings, suggesting a lure. The presence of a link farm further indicates a malicious intent to redirect users to potentially harmful 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.com/pify?keyword=interior+design+drawings+pdf In PDF document text
    • http://files.kerenzaltz.com/uploads/1/3/1/0/131070207/9797252.pdfIn PDF document text
    • http://wuvolejet.goodshepherdkearney.org/uploads/1/3/1/4/131437502/dazagujadowab_begatudodu.pdfIn PDF document text
    • http://files.group-wb.com/uploads/1/3/1/3/131379277/jipudorivi.pdfIn PDF document text
    • http://files.whatinstrumentisthat.com/uploads/1/3/1/4/131453837/101352.pdfIn PDF document text
    • http://files.hilltopangusfarm.com/uploads/1/3/1/3/131382078/7985637.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/1/0430/3077/3913/files/5602078232.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3142/0319/files/cement_production_in_singapore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/0125/3786/files/bcom_1st_sem_english_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4514/3207/files/5328568257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9197/5580/files/78381032660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2287/5797/files/geometry_construction_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8117/9029/files/zodekutufolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0541/7371/files/mixiwepodejikokalajikitu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4241/4493/files/13444508464.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_off00006e3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3D 5208 bytes
SHA-256: 2680c61ff6eaf5fb3d70a7ae317891bacf686c54f9e3e874281b7b909a97f2df
font_01_sfnt_off00008016.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8016 10960 bytes
SHA-256: b4f21f8e26e1843a440cc743e12ea8b040adfd9d03d79ffa5d186e9dfeea58f4

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