Malicious PDF — malware analysis report

Static analysis result for SHA-256 c78d5b5c0e0cc523…

MALICIOUS

PDF

45.5 KB Created: 2020-08-09 13:55:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2a6847ac67a16d4f2ce83846463671e9 SHA-1: 604d086eef2a73739686ea0f2a28f06753f6a1f7 SHA-256: c78d5b5c0e0cc5230d300cdf488138a37edb34c7f2aa1ddd7714b5ea88477d1f
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a technical document. The link leads to `ttraff.cc`, which is known to host malicious content. The document body itself contains obfuscated text and the malicious URL, indicating an attempt to trick the user into navigating to a harmful site. No scripts were extracted, but the presence of multiple external links, many pointing to Shopify, suggests a link farm or redirection strategy.

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.cc/pify?keyword=spreader+beam+calculation+pdf In PDF document text
    • http://viguwuvip.fusedfinery.com/uploads/1/3/0/7/130775918/xorigopasa.pdfIn PDF document text
    • http://files.stocktonelectricianpros.com/uploads/1/3/1/0/131070762/2ad59789.pdfIn PDF document text
    • http://files.revivalmission.info/uploads/1/3/1/6/131637853/parogowuguliw.pdfIn PDF document text
    • http://files.marybuchinger.com/uploads/1/3/1/0/131071252/ganisujafixu.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/1/0429/0537/0791/files/28086074336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8267/0485/files/asthma_action_plan_texas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3237/1622/files/jekivipumevabivomimilino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3177/9745/files/pdf_skf_bearing_catalogue.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/metegemekipezafekude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5390/6080/files/renifewevi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1772/2280/files/xufurowizege.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9277/8901/files/79030581629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3959/6454/files/jemiketuradinevi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4975/3507/files/55092464889.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/83478774752.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 5

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_off0000650c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x650C 5248 bytes
SHA-256: 5414368f163fd074a1708e56463ad1dc1b1f2274595006ce0179bb9831255d93
font_01_sfnt_off000076c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C1 10624 bytes
SHA-256: a1134048af21e667fcc4f8790a7e2f6184589b1a46ea6aefcf61e82151a119c0
font_02_sfnt_off00009b1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B1C 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

Open this report in the interactive analyzer, or submit your own file for analysis.