Malicious PDF — malware analysis report

Static analysis result for SHA-256 daaa30a641df35d2…

MALICIOUS

PDF

42.1 KB Created: 2020-08-23 01:58:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9206f000a9fa55aed671b654eb251e25 SHA-1: 6ba0c46cdcf3eafe948b9098de5e639de8b2eb09 SHA-256: daaa30a641df35d21f4888f68c9f60a7d62058612b834251408831812f7ba2d0
194 Risk Score

Malware Insights

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

The PDF document contains a link to a redirector, which in turn leads to a purported game download. This is a common lure for users to download and execute malicious files. The PDF also hosts a large number of links to other PDFs, suggesting a link farm for SEO manipulation or to distribute further malicious content. No scripts were extracted, but the presence of a malicious redirector and a link farm strongly indicates a phishing or malware distribution 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.ru/pify?keyword=street+fighter+iv+apk+offline In PDF document text
    • http://files.bournemouthsk.co.uk/uploads/1/3/1/0/131070713/wowap.pdfIn PDF document text
    • http://vabodezuz.manonvankempen.com/uploads/1/3/1/4/131437792/dimolovosiw-wifozow.pdfIn PDF document text
    • http://files.killingfieldsmuseum.com/uploads/1/3/0/8/130873851/ferodipororufew-movonigan.pdfIn PDF document text
    • http://deteninip.drylandag.org/uploads/1/3/2/6/132696067/fdba5b643ff.pdfIn PDF document text
    • http://mozutoz.mgtconcepts.com/uploads/1/3/0/7/130738720/rujunad_xinozojijuve.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/1/0431/3835/1255/files/vigilitagosijuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/virtual_dj_8_pro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/63236404362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2808/5912/files/78998922038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8583/1070/files/66789653924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6387/8566/files/jemilavajabepeba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6181/4172/files/vaxisuga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9888/9635/files/agenda_2020_desarrollo_sostenible.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2388/2664/files/padipug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/50971407729.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 6

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_off00006694.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6694 5212 bytes
SHA-256: 7ddd4b3f8751b14ec98a78c81a1d8e83233c42fb1331ee3010b028071c30dd78
font_01_sfnt_off00007851.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7851 10296 bytes
SHA-256: 5194f41e2f80c0c8ef66f5a795abb557f14e9e6af1207cebb7f7de466d6ed2c3

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