Malicious PDF — malware analysis report

Static analysis result for SHA-256 6abd54099a0831ef…

MALICIOUS

PDF

36.6 KB Created: 2020-08-10 05:34:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: de77894bffc1f888bb92b4e713778b26 SHA-1: a9828bc39e42ea61fcd0121fe47564fc7ddc8cf5 SHA-256: 6abd54099a0831efef729eccb265cf88b8ed408d556644c3da7013bda4dd20c4
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 known to host malicious content. The document body, though heavily obfuscated, contains text suggesting a lure related to the 'Callan method pdf spanish'. The presence of embedded URLs and the heuristic firings strongly indicate a phishing or redirection attempt designed to lead users to malicious sites.

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=callan+method+pdf+spanish In PDF document text
    • http://rilara.thewildforestco.com/uploads/1/3/0/9/130969358/bakexe.pdfIn PDF document text
    • http://files.gospelquebec.com/uploads/1/3/1/4/131408942/nigevezud-rixomusurir.pdfIn PDF document text
    • http://nosud.thelakeerieperch.com/uploads/1/3/0/9/130969060/votaluduse_tubuga.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/1/0431/6856/3355/files/84125889523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1384/6693/files/723597073.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8511/0171/files/dadijeruwefujal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5671/6183/files/4393626033.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1808/2709/files/4038959231.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4588/6884/files/60049293863.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3070/8385/files/25143155485.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0512/3493/files/66905254935.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3525/5203/files/pumogenimuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4491/2808/files/babuvatenobigaranira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8658/5759/files/seledowalebopewuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6717/1223/files/dekolapabu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8950/2111/files/procalcitonina_vs_pcr.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 2

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_off000052b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52B9 5088 bytes
SHA-256: fba20d472194d0dbcafab954d3bba9219e611ceb9dde1ab3d595d293869c22c5
font_01_sfnt_off000063e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63E2 9920 bytes
SHA-256: 6ed365377b06a998ac02889f18cfecb68bd944803e4d24e0cf32eea10060da72

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