Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d50e6f316a3401d…

MALICIOUS

PDF

44.6 KB Created: 2020-08-07 01:03:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9e1be4a5ed52b4d280187dd9fe3db87c SHA-1: c23380b8579ca263b3fc22a0dc18169e51cb5c65 SHA-256: 0d50e6f316a3401daeee89913a8461a6b0123073b99a1138e58c6b7b3a3a7f3f
194 Risk Score

Malware Insights

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

This PDF document contains multiple embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO manipulation 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.ru/pify?keyword=liquid+waste+management+system+pdf In PDF document text
    • http://lagige.art-of-rude.com/uploads/1/3/2/6/132695306/miwojasu_zobok_digamagekonig.pdfIn PDF document text
    • http://mumalo.assiniboiaartscouncil.ca/uploads/1/3/1/0/131069839/gapaf.pdfIn PDF document text
    • http://files.cambridgecharityfundraisers.com/uploads/1/3/0/8/130874474/kefiwuvi_zigane_kotopiwep_wakazomaxurepab.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/1/0429/6559/8364/files/scholarly_definition_of_development.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4361/7948/files/free_fillable_ub_04_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/bash_increment_variable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5817/5906/files/35771805387.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4490/4865/files/pokemon_platinum_rare_candy_cheat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5657/8212/files/75954597273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/fukotapigovaporasux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7466/7164/files/kafeti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9316/4181/files/kazugitobotulategenaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/17958453685.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6824/3624/files/surah_ar_rahman_in_english_text.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7968/7574/files/mikes_rpg_center.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5247/4267/files/ccrn_study_guide_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2696/3865/files/minecraft_gameboy_advance.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_off00006c5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C5E 5496 bytes
SHA-256: 797647185eb01fddf20cf25196410fbbbba2734244ecbf63a5f6cdf1cda16f8c
font_01_sfnt_off00007f1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F1D 11324 bytes
SHA-256: 34862ab665e67e04bfcaa0bcd24816e3fee09a15563cdeab9711df42969022ef

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