Malicious PDF — malware analysis report

Static analysis result for SHA-256 67beb1f7fbfd1658…

MALICIOUS

PDF

46.5 KB Created: 2020-08-18 19:38:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ce1d0842726b0f547c6109f24875a112 SHA-1: f35a01737abfca709d50aa2ec26a6898dc034caf SHA-256: 67beb1f7fbfd165833fecf45c07770217ac8d2052e8c1f3e28149ff68db1e32b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=sapna+choudhary+songs'. This redirector is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains a similar URL, suggesting an attempt to lure users with entertainment-related content. The presence of numerous external PDF links further indicates a link farm or redirection strategy.

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=sapna+choudhary+songs In PDF document text
    • http://files.isleypercussion.com/uploads/1/3/1/0/131071137/lizezopevalo.pdfIn PDF document text
    • http://files.callihanscache.org/uploads/1/3/0/7/130739715/depit_bimukekexo_jufiv_favevurosovi.pdfIn PDF document text
    • http://files.chamedicals.com/uploads/1/3/2/6/132682861/rusidekosuwanu-fenizov.pdfIn PDF document text
    • http://files.my-gama.com/uploads/1/3/1/4/131453252/suwipebozolinekituvo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8746/2551/files/1242485974.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2567/9015/files/83086147893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kuzizurogepibisomagin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1381/6995/files/mipegepatetilarik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3269/9302/files/job_application_letter_format_class_11.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8771/4721/files/45036537576.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8184/2341/files/gumakujapowejoxet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7451/9194/files/polarity_index_of_solvents.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2868/3674/files/17949941371.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7973/8278/files/zapomerobonetoniroj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5313/8591/files/61757589868.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 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000055a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55A9 5508 bytes
SHA-256: 3b31d6f79879d87a6b3156bcb5b2d183150a48875e5fb53f30e65b2aa172876b
font_01_sfnt_off00006854.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6854 13940 bytes
SHA-256: 5f7769e6f7b6982474de5033bc1f921bb09f8b0ebea6fd0135165a5dc7e98604
font_02_sfnt_off0000948b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x948B 7272 bytes
SHA-256: cf8e38efee1b3583380e6bd19f730ec89686c86ee6b43a3dfca5788909220895

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