Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c1d483361f2b811…

MALICIOUS

PDF

52.3 KB Created: 2020-08-14 08:28:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: de2ff3764f66e47f80bef0efc1f7137a SHA-1: 84e82e463ba15ce7b31d02f4a4bba6e1677fd14a SHA-256: 6c1d483361f2b811c2a33c7084748b10d26fd0870bf535273cc3e4b3827ef32b
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector URL, indicating a likely phishing or scam attempt. The embedded document body text, though partially corrupted, includes the URL 'https://ttraff.com/pify?keyword=sintomas+de+la+anemia+falciforme+wikipedia', suggesting a lure related to sickle cell anemia symptoms. The presence of numerous links to other PDFs, many hosted on Shopify, points towards an SEO poisoning or link farm tactic to distribute malicious content.

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=sintomas+de+la+anemia+falciforme+wikipedia In PDF document text
    • http://kesov.cuttingedgepetservices.com/uploads/1/3/1/3/131398425/2379425.pdfIn PDF document text
    • http://files.nextpromotionalproductsandapparel.com/uploads/1/3/0/7/130739713/2385699.pdfIn PDF document text
    • http://files.anatomyalchemy.com/uploads/1/3/1/8/131871705/345013a61b2331.pdfIn PDF document text
    • http://files.evelynsander.com/uploads/1/3/1/4/131438629/4166807.pdfIn PDF document text
    • http://files.onefutureatatime.com/uploads/1/3/1/4/131438079/6787680.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/1/0436/1030/8765/files/gasepuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0271/4536/files/boogie_oogie_oogie_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4335/6821/files/dedafob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8141/4296/files/wausau_weather_hourly.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4891/0491/files/16061518404.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44240048578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8382/4294/files/60437730261.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5143/3627/files/mathematical_physics_drive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8592/2466/files/bitax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7417/4622/files/ratomerivime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9302/4151/files/dozoxijigumavilorem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1507/6002/files/75489646416.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 8

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_off00008b06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B06 5560 bytes
SHA-256: eb6b653c91a3a8c0ad980491d54efffc346b1177abbf8a77c1c292ee2aecc6e0
font_01_sfnt_off00009ddd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DDD 11160 bytes
SHA-256: 4ccad22559e0d11853ba75fb83789f1eb7316edb0ee104d576493f48b7cac0d1

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