Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f8cd48a9d0e063a…

MALICIOUS

PDF

40.4 KB Created: 2020-08-15 07:59:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 405550e870385fc76f9c0f139699cf28 SHA-1: 6f3ac90db8e6885e6168e4584266305cf0486a2c SHA-256: 9f8cd48a9d0e063ac51b2384a0b4e1dde60e05bd20af04797504ae13c18e2794
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text "Channel 7 tv guide" and the malicious URL, suggesting a lure to trick users into clicking the malicious link. The presence of numerous links and the redirector indicates an attempt to lead the user to malicious content, likely for phishing or malware distribution.

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=channel+7+tv+guide In PDF document text
    • http://xutomi.pbllab.com/uploads/1/3/1/3/131380429/xarojifum.pdfIn PDF document text
    • http://files.saxophonistforhire.co.uk/uploads/1/3/1/3/131378779/gatete.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/1/0443/5968/0156/files/astigmatic_fan_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5349/8014/files/2475149996.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1970/6273/files/93087061849.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/zumikazefetowoserafijewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4214/2358/files/aime_cesaire_poems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3292/6616/files/psychodynamic_approach_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2371/8824/files/nolukovadibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6604/1244/files/rogabenepamakawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6278/8245/files/sector_agropecuario_definicion.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 4

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_off000061b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61B8 4860 bytes
SHA-256: 557a0e85aa28ffc16df52fb360635f435eaa368b63d547832e42bb687be1ecb4
font_01_sfnt_off00007248.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7248 10280 bytes
SHA-256: 9fb6345ef01b18acd475a004149bf6982d0cfdf4370b57e337a81cdbdbce548b

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