Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b5ff03842cec97f…

MALICIOUS

PDF

34.5 KB Created: 2020-08-24 16:11:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f0b75cab6d8e79202b276845298af85d SHA-1: e85e6c778623f93b58a53b641a0638000c180c84 SHA-256: 7b5ff03842cec97f225697d61150a2543abfed42f3143b5bef85865c37839e76
194 Risk Score

Malware Insights

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

This PDF document contains numerous links, including one pointing to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=boomerang+us+tv+guide'. The document body, though heavily obfuscated, contains text suggesting it is a TV guide, likely a lure to encourage clicks. The presence of multiple PDF links and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content or initiate further downloads.

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=boomerang+us+tv+guide In PDF document text
    • http://files.drmarysabal.com/uploads/1/3/0/7/130776607/garesevotidif_gibarisa_lisadaramawipo_fixukanil.pdfIn PDF document text
    • http://lorujib.wonderfuljourneytravel.com/uploads/1/3/0/7/130775607/d2d02dd76bd.pdfIn PDF document text
    • http://files.myonnapetty.studio/uploads/1/3/2/3/132302894/zikan.pdfIn PDF document text
    • http://gaxigi.poppingforparkinsons.com/uploads/1/3/1/3/131398140/polatum.pdfIn PDF document text
    • http://files.harrietslaughter.net/uploads/1/3/0/8/130813921/812699.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/1/0437/3187/8049/files/malayalam_devotional_songs_lyrics_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0943/9906/files/marching_band_uniforms_uk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0536/9768/files/tosuxewuxanar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4012/6614/files/demim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/5639/0295/files/qld_police_beep_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7692/5078/files/nfl_mission_statement.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/juteji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8664/2338/files/julalexolekepizesuvug.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_off00004833.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4833 5220 bytes
SHA-256: dd07729ed263f1aa057523c55b66699690f41ec4df613dae5b5932784815e8cc
font_01_sfnt_off000059e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59E1 10468 bytes
SHA-256: 5eb1eaf7016acee756070e5952e114d94cc61a5e3baa77bdec2d61ca3ecc122e

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