Malicious PDF — malware analysis report

Static analysis result for SHA-256 dba3878114c92a10…

MALICIOUS

PDF

44.6 KB Created: 2020-08-19 15:33:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7183e15a497e9175311ba675eee5b7a9 SHA-1: e5b90ff5506cda172ee78768689ffa59db9b979f SHA-256: dba3878114c92a10e9e73251a1769ae544f467e27f649f2ce6e4b3583f1648fd
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm and a direct link to a known malicious redirector, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=ben+10+omniverse+psp+iso+free', which is flagged as malicious. The presence of numerous other PDF links suggests an attempt to game search engine results or distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=ben+10+omniverse+psp+iso+free In PDF document text
    • http://files.susurrostudio.com/uploads/1/3/1/4/131454102/dotevukoxuzavad.pdfIn PDF document text
    • http://junubako.alishamonique.com/uploads/1/3/0/7/130776023/8303101.pdfIn PDF document text
    • http://files.craigjafferesearch.com/uploads/1/3/1/4/131452944/515088.pdfIn PDF document text
    • http://dipituxop.rusticchalkdecorshop.com/uploads/1/3/0/7/130775085/binomenitotuwobe.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/1/0430/7428/9813/files/86284796215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2881/4746/files/jiwip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6336/2204/files/31762831807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/0277/6999/files/26437177932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8347/2802/files/safafivokijari.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7252/0352/files/british_english_grammar_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8691/3431/files/71364645191.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7540/3936/files/mewoxiruwekazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2371/9845/files/21614664623.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005be7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BE7 5108 bytes
SHA-256: c40d8188f9e437f92fc5c703e7ff0be93ee93ef315ee538b4f6df5af61a4eb55
font_01_sfnt_off00006d3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D3F 10388 bytes
SHA-256: 19abc0744ecac0ab9cf4c4d4276ebba63dd3e22682e5d5500329bd6e3415013d
font_02_sfnt_off000090e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90E4 16068 bytes
SHA-256: 5d72d630640305d452d914085fd6c65e0d8125198bed8028c282d44fd0327be8

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