Malicious PDF — malware analysis report

Static analysis result for SHA-256 0258f8a462fe67ab…

MALICIOUS

PDF

43.3 KB Created: 2020-08-06 13:29:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 60ef933066eeedae689ee0548155f5f1 SHA-1: f263885e5fda468cbded660e937b5bdd6d33adf8 SHA-256: 0258f8a462fe67ab4450c696e31f0ac0b2776efc3468a2567da2dbd94b147d9a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains multiple embedded links, with a primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to 'glass bottle manufacturing process pdf'. The presence of numerous external PDF links, many of which are SEO-optimized, suggests an attempt to drive traffic to malicious or spam content. No scripts were extracted, but the core malicious functionality relies on user interaction with the embedded links.

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=glass+bottle+manufacturing+process+pdf In PDF document text
    • http://files.my-obr-opinionplatformsk.com/uploads/1/3/1/3/131380337/galarinikej-kobowananamet-guluvadazuv-totewegul.pdfIn PDF document text
    • http://files.thespeculativekitchen.com/uploads/1/3/2/6/132681513/radagise.pdfIn PDF document text
    • http://files.originalsexyslave.com/uploads/1/3/1/3/131382223/fenupabepalakisima.pdfIn PDF document text
    • http://files.lmmsorchestra.com/uploads/1/3/2/7/132740337/d989b74c8c.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/1/0431/8570/1019/files/behavioural_family_therapy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3177/2835/files/moxifatalaxexiluwos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7100/5082/files/fopudejokivilapakox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9775/1709/files/sebiwelijikebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niborenegukudokeregus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6564/7012/files/vusujawuzas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5310/4790/files/45684671643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4186/6403/files/zukuwetoguzadufasug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8125/9421/files/31507973422.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/2955/7411/files/britax_frontier_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6929/2188/files/in_print_word_whizzle.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_off00006acb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ACB 5644 bytes
SHA-256: 65b0d3394f0cd05ccb5c28d36f38f791c74c0666f61284fb35089036028c139e
font_01_sfnt_off00007de2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DE2 9928 bytes
SHA-256: 7d2d8274ad074adac4d36a5e2bfe9316a486697e18ac7e69dd476a4d766f4a83

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