Malicious PDF — malware analysis report

Static analysis result for SHA-256 de2fa8cb6ca2c0f4…

MALICIOUS

PDF

53.0 KB Created: 2020-08-24 02:00:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9c7951b99cf1fecd625ca6e24821111d SHA-1: 7e6101004c4226f98f370ddf28c60a3c80b89862 SHA-256: de2fa8cb6ca2c0f408c59c5cf25a947e19cf7abf816d97bffd2e6d24585f338a
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a malicious redirector link and a large number of external PDF links, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, contains the malicious URL 'https://ttraff.cc/pify?keyword=the+blind+side+pdf+free'. This indicates an attempt to redirect the user to a malicious site. The presence of callback phishing lures further supports a social engineering attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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.cc/pify?keyword=the+blind+side+pdf+free In PDF document text
    • http://foziwo.rostraversca.org/uploads/1/3/1/4/131453870/db526c1.pdfIn PDF document text
    • http://gepukam.nookandcrannyorganizing.com/uploads/1/3/2/6/132682646/sevawig.pdfIn PDF document text
    • http://penenu.illawarraholter.com/uploads/1/3/1/4/131438268/nuzudekat.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/fufabolip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9703/8756/files/simplicity_sewing_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2992/1943/files/xuzodobixaxunapuzisuloga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2109/0471/files/14501101007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/bigopidujemaxawiwito.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2658/6527/files/antara_ibn_shaddad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6625/3724/files/mumixow.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 1

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_off00008f02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F02 5008 bytes
SHA-256: 971073c65b79cd4c600c9f76f3a2a34327998377631a3a6a57b78364edfd0dca
font_01_sfnt_off00009ffb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9FFB 12024 bytes
SHA-256: 7be9688a26279a8d0423599fef815281807eda050c3eded862e96be32db262fc

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