Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb484be2e6946d22…

MALICIOUS

PDF

56.6 KB Created: 2020-08-10 02:15:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7e7dc8d5df42755b127a2dd031867c02 SHA-1: 00331c127cf84cd01655455bf121e2e3a94c41d0 SHA-256: fb484be2e6946d22fdaacac3e4e95dc5cd46a2bfdd3cbd30f3c0e7b34da2ad2e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.ru, disguised as a nutritional treatment PDF. This indicates a phishing or scam attempt. The PDF also hosts a large number of external links, many pointing to Shopify, likely as part of a link farm to improve search engine ranking for malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the payload.

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=artritis+reumatoide+tratamiento+nutricional+pdf In PDF document text
    • http://files.coaldalealliance.org/uploads/1/3/0/8/130874633/666007.pdfIn PDF document text
    • http://mifozisuf.turkeytimesports.com/uploads/1/3/2/8/132814930/xemuzovepe-gujugoxizoxakug.pdfIn PDF document text
    • http://xisix.cosmorotica.com/uploads/1/3/1/3/131398591/xutib-nanegesuvut-vaginik.pdfIn PDF document text
    • http://files.learning-chemistry.com/uploads/1/3/1/4/131407135/todevuvilabedimatav.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4828/7912/files/xuginu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6968/6431/files/tudik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6845/7122/files/51214432633.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5148/2278/files/6026492331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5150/7094/files/1978778491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60233972239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vonabubabosutogoxofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9970/9855/files/doluxugenixigetevalesaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/8423/9268/files/cancer_pulmonar_diagnostico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3276/3801/files/90470683859.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5660/4070/files/breatharian_books.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 3

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_off00008e42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E42 5172 bytes
SHA-256: 94e69226e44503da2b1588b43991b6606294ee8e94a2fdd2224218653375b240
font_01_sfnt_off00009fbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9FBC 11508 bytes
SHA-256: 0972dd3f6beb17b4a2999d83d2d97681b2afb966a0a65657ccba5f24c8b76739
font_02_sfnt_off0000c51c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC51C 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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