Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f405ce295086642…

MALICIOUS

PDF

40.3 KB Created: 2020-08-21 08:26:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0d5902f1d0a90e7c8882f4941bf3bc9e SHA-1: b9e83fe31f6da8ea960695da3af3959f736b8abb SHA-256: 7f405ce295086642a9d8528fa34d2c884b10ed9b8e147416409363f17f2d3679
194 Risk Score

Malware Insights

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

The PDF contains a lure promising free movie downloads, directing users to a redirector URL. This redirector is likely part of a link farm designed to obscure the ultimate destination of the malicious content. The ML classifier strongly indicates maliciousness, and the presence of numerous external links, including a suspicious redirector, supports this assessment.

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=latest+tamil+movies++in+utorrent In PDF document text
    • http://tubaji.simplybeautifulpg.ca/uploads/1/3/1/4/131437792/61294.pdfIn PDF document text
    • http://files.borobot.org/uploads/1/3/2/7/132740270/1c32dfc010beac.pdfIn PDF document text
    • http://files.1boxonline.com/uploads/1/3/1/8/131857334/polojekijatazozo.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/1/0433/9341/7367/files/sagekogepidugupudesinaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9119/0167/files/89736693802.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0736/9639/files/sivawemaxazekodolovaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/5613/0200/files/seragedaperad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8143/3242/files/74992384317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6104/1569/files/jomopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5766/7487/files/working_class_hero_tab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1778/9863/files/gotepitupoguzalepubij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4536/3616/files/background_funny_music_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5052/3031/files/37452512934.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 7

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_off00005fe0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FE0 4832 bytes
SHA-256: 61301c15f6f0400b9972d3142befd19c9fbe1619d48c2a07bae69431d6281695
font_01_sfnt_off0000703e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x703E 10688 bytes
SHA-256: 196a970d6b6d1cafceaa84eff5cdf4eb7705b21e5a25dfd2232f035f2e2d6df6

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