Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c2bf5c2dedcba15…

MALICIOUS

PDF

47.6 KB Created: 2020-08-21 19:27:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 77047cdb697c45d6eed09ead5246c9d7 SHA-1: 2c85deeb063e72e2f0680873ac33c3d3d22e590e SHA-256: 5c2bf5c2dedcba154cc92296562d19181dd0a22e64a06b83c6d7645209b20821
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service that is flagged as malicious. The document body and embedded links suggest a phishing lure, attempting to trick users into downloading further malicious content. The ML classifier also strongly indicated maliciousness.

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=budgeting+basics+pdf In PDF document text
    • http://xunevifup.decoratingwithgrace.com/uploads/1/3/1/0/131070858/9edade8cf.pdfIn PDF document text
    • http://radiwus.ndtyacht.com/uploads/1/3/1/6/131606539/a50272b131944.pdfIn PDF document text
    • http://files.alpenviro.com/uploads/1/3/2/8/132815791/7138cd5423f1e60.pdfIn PDF document text
    • http://files.anchorcounselingservices.com/uploads/1/3/2/6/132682134/c2506ce6423f.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/1/0433/6805/4940/files/42753189816.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37357510366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2738/1920/files/xewabuwoduzunefub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8177/6795/files/13060706441.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6686/0455/files/statistical_inference_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8863/4266/files/soraralosukejejizuzes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/49166936382.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/setixinojed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2917/6232/files/who_causality_assessment_scale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6778/4864/files/vatavigesavupudunago.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9744/6816/files/sawavosorupofadesolovagum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6785/9359/files/69666591923.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_off00007af3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AF3 5384 bytes
SHA-256: 18f66632fe2073619d3d206bc7c662ecae9d19314c4989b5764f8263396fd758
font_01_sfnt_off00008d55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D55 10524 bytes
SHA-256: 0f0e73594e712cf6532a1ae7fd1e897f7fd5e966ca39f86517bab4767f8b3fd9

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