Malicious PDF — malware analysis report

Static analysis result for SHA-256 4c5bdb383cea1f9e…

MALICIOUS

PDF

43.4 KB Created: 2020-09-17 14:16:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 59a2535eb46b3ed0c5353241c574e41c SHA-1: d3337a553b57a218e5c0a6352867bce63022ca1b SHA-256: 4c5bdb383cea1f9e7a6da934153555921e61d2fce3512266fd83d68c0d27595d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to redirector infrastructure or link farms. The document body, though heavily obfuscated, contains text that appears to be related to game locations, likely serving as a lure. The primary malicious link identified is https://ttraff.club/wix?keyword=skyrim+shrine+blessing+locations, which is associated with malicious redirector activity.

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.club/wix?keyword=skyrim+shrine+blessing+locations In PDF document text
    • http://files.sacredspiritualalchemy.com/uploads/1/3/0/7/130739122/8403448.pdfIn PDF document text
    • http://vufukefag.hilaryopperman.com/uploads/1/3/1/3/131380160/likotokazesubu.pdfIn PDF document text
    • http://karedik.resilientpeople.ca/uploads/1/3/1/4/131454215/fafab.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://9aed8fbc-9c95-4b3d-ba02-f2799247d7a5.filesusr.com/ugd/98e298_341f0e1cf6ab44ecae0bfd30692ff520.pdf?index=trueIn PDF document text
    • https://18cf0396-1fd3-456d-833a-6041dd51911a.filesusr.com/ugd/bc0b97_2c02fbb4ca7d48b084ee851a59548445.pdf?index=trueIn PDF document text
    • https://2c01136f-4155-4a81-8418-94e751436402.filesusr.com/ugd/268ab1_3071c1204faa42e68b56fe2ddf1c4bf2.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/2126/5828/files/apuntate_terminale_corrig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3015/0300/files/90036697266.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0041/9736/files/14008420376.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8795/3053/files/janiju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0469/0319/7856/files/rewapesakixuzeme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3644/0726/files/25765296745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/3846/0062/files/8-4_practice_angles_of_elevation_and_depression.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_off00006a68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A68 5620 bytes
SHA-256: e459c96cf33790b96ba653768d6763fc0d4ed9f9fd1f652e40c01bb601f45e20
font_01_sfnt_off00007d6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D6A 10492 bytes
SHA-256: bd7e6778263cdece8da1db0a993fb13a5963c6bcc441f5c4b4550abce2899d15

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