Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c727e5c1a1b1c52…

MALICIOUS

PDF

87.6 KB Created: 2020-08-01 21:00:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 120ab9588ac620d22cea39fb82612b60 SHA-1: 8edaeac614966c81df7ac4af318892f67403caaa SHA-256: 7c727e5c1a1b1c5205934e4bb84ee5a7cff8da0803330bef9212714a93110320
202 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a redirector URL, which is flagged as malicious. The document body, though heavily obfuscated, contains text related to 'Rise of the Tomb Raider cheats' and the malicious URL, suggesting a lure for users interested in game cheats. The ML classifier also strongly indicates maliciousness.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=rise+of+the+tomb+raider+cheats In PDF document text
    • http://files.metroacc.com/uploads/1/3/0/8/130874023/livobikuxerepom-jesufepevagopi-xotek-moxolovuveda.pdfIn PDF document text
    • http://files.brainintegration.net/uploads/1/3/2/7/132712034/7170868.pdfIn PDF document text
    • http://files.pcarep.com/uploads/1/3/0/7/130776542/kegufateren-rogujemufozexop.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/1/0436/3537/6281/files/21831015554.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4012/0733/files/3505943792.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3427/0117/files/gatekuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1307/8168/files/nigemofezamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5829/1093/files/3158893953.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1873/2191/files/walanuribuwisasiruwonat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5592/2856/files/liwititasedafebigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9575/1842/files/mebosoletuwekopig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2865/8848/files/16750180072.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nadogenomaxijedunebenez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5184/3737/files/dekiguleduk.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_off00011bcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BCF 5376 bytes
SHA-256: bb304cf6fa43a7ea075fe58b4846e80bee9cb68da96bec19dd4186e7bbf81f2a
font_01_sfnt_off00012def.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DEF 10420 bytes
SHA-256: 2a567ec9d90f43e49c930718048b4689ba494ecebdc8d373dcfc282f45451602

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