Malicious PDF — malware analysis report

Static analysis result for SHA-256 0992231182724a4e…

MALICIOUS

PDF

44.9 KB Created: 2020-08-20 20:43:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a94682f89c82853f4559726e8bebd35b SHA-1: 3a4118318f0f5b6f423ca1c3f358e2eb3b74decd SHA-256: 0992231182724a4e0cd2077d3808795b9930e7be250e588cec500a6570949dde
194 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body and embedded links suggest a lure related to job searching, likely a phishing attempt to trick users into downloading further malware. No scripts were extracted, but the PDF structure and link farm indicate a malicious intent to redirect users to potentially harmful resources.

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.com/pify?keyword=best+c+v+format+for+job In PDF document text
    • http://files.justbephotos.com/uploads/1/3/0/7/130775934/tamirotorun.pdfIn PDF document text
    • http://movafin.flyinginfirst.com/uploads/1/3/0/9/130968988/tawimabofomolukek.pdfIn PDF document text
    • http://gifanesur.bgbvi.com/uploads/1/3/1/3/131384401/sojobadonid.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/1/0429/7824/6815/files/60242561635.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6009/2315/files/budesonida_mas_formoterol_nombre_comercial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76685421079.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/0875/7657/files/ganoximurujilulexek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6918/5943/files/functional_block_diagram_of_8085_microprocessor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6294/2101/files/65283003473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8516/7766/files/64495569220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/6433/2181/files/download_breaking_dawn_part_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7827/7527/files/78866601481.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5475/0106/files/96327057339.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66179678401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5013/7760/files/76354834760.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5981/4306/files/waxemu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2170/5124/files/bilepemulovevanowobizud.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007268.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7268 5320 bytes
SHA-256: cf777ea99e6a71c3cbbcd346dcca3d60878a43bc0be95258463e60a14de4672c
font_01_sfnt_off00008471.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8471 9996 bytes
SHA-256: dff67889c7ed18f75f4fba16d311f8289f0f5d994e334b1fec1b5f8d4cc4cbdd

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