Malicious PDF — malware analysis report

Static analysis result for SHA-256 154e7896daef126b…

MALICIOUS

PDF

77.0 KB Created: 2020-08-10 03:35:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 05142d2a2ff30f0179ebbd355f63da18 SHA-1: 7d0bb0f1e98b6b704409c082cf0926fd4a61c16e SHA-256: 154e7896daef126b22cdd87529447389ae168987bd5b18e3bdc17c8b2e70096c
194 Risk Score

Malware Insights

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

The PDF contains a link to a redirector URL, which is a common tactic for phishing and malware distribution. The document body, though heavily obfuscated, contains text related to legal documents and a URL that appears to be part of an SEO link farm designed to attract users. The ML classifier strongly indicates maliciousness, and the presence of a redirector link points towards a phishing or malicious content delivery 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.cc/pify?keyword=dowry+prohibition+act+in+telugu+pdf In PDF document text
    • http://xejikaj.heightshightigers1988.com/uploads/1/3/1/4/131453215/roxorinuv.pdfIn PDF document text
    • http://files.silverdollardogs.com/uploads/1/3/1/4/131407818/2368517.pdfIn PDF document text
    • http://files.azprint115.com/uploads/1/3/2/7/132740723/tuxusasuluwagek_kuxiwatad_jegowuterijifid_ratidaravez.pdfIn PDF document text
    • http://files.nadialouderback.com/uploads/1/3/1/4/131406811/7f588a3200c.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/1/0434/0757/3157/files/puxonet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8234/0770/files/puxafunaretopaxufovisug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vujunuvitiwowus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9376/0931/files/beatles_in_my_life_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6447/5304/files/nubegufolatuxakuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0305/2191/files/cash_register_at_walmart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7749/3146/files/82405108216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2738/1920/files/73199957925.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977390730.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cd38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD38 3724 bytes
SHA-256: 07a2fd7deb31817f1a97d8640fc0e6313a7898ba172754c5b9ce2370a7485dbe
font_01_sfnt_off0000da7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA7D 5572 bytes
SHA-256: 2f44b6f9fdda9a1115e249548b3ef1ecd25505b12844d8884326a879b548b1f6
font_02_sfnt_off0000ed84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED84 10372 bytes
SHA-256: 644d7ea13010c0bd88fa8d20915823cb1ba46a6419ea2230d49f407ec157f012
font_03_sfnt_off00011112.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11112 16164 bytes
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e

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