Malicious PDF — malware analysis report

Static analysis result for SHA-256 89beb0034d999e5f…

MALICIOUS

PDF

45.2 KB Created: 2020-08-20 04:11:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c5fdcd990b253c92d0ff6e82dbecf458 SHA-1: 2a358bf95579833b3f138ed83f1a92f46b85c91e SHA-256: 89beb0034d999e5ff037266706d0f6e48ba1595861eb7cd21243b645f2dc996d
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service, which is indicative of a link farm or phishing lure. The primary malicious redirector URL is https://ttraff.ru/pify?keyword=family+feud+fast+money+questions+and+answers. The document body, though heavily obfuscated, contains this same URL, suggesting the intent is to direct users to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious.

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.ru/pify?keyword=family+feud+fast+money+questions+and+answers In PDF document text
    • http://files.truelightchristianschool.org/uploads/1/3/1/4/131437515/2624507.pdfIn PDF document text
    • http://files.ricasbrainstormroom.com/uploads/1/3/0/7/130739369/wetegiwalijuvupomexi.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/1/0437/0527/0427/files/argumentative_text_sample.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0854/0324/files/girlfriends_guide_to_divorce_cast.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0190/3264/files/after_the_love_has_gone_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6320/6307/files/41469342251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/76915466193.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5649/6791/files/70983603559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4349/9677/files/applied_ballistics_for_long_range_shooting.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8980/5980/files/20693756257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3103/6053/files/87395396083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0747/3821/files/55605873812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2814/2485/files/44125974434.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2119/7724/files/serotonin_syndrome_treatment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7130/5896/files/16595155688.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
🗂 Part of campaign: ricasbrainstormroom.com 3 samples

Related samples 4

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_off00007312.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7312 5328 bytes
SHA-256: 6b6f7ec3e18cff50591926bf9e275e4867962b15c079ca074a412b5a48ce9e9b
font_01_sfnt_off00008532.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8532 9968 bytes
SHA-256: d38fcce95f5a128c5c11e669e39f827521d0c135888b270b0331bbb925e2242e

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