Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6a011a2efd0a87b…

MALICIOUS

PDF

47.8 KB Created: 2020-08-22 07:38:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9eee310aac9335baa13545f5642f1b4e SHA-1: d3013010b92e992abd40f0c3a30d4026a6b7cfab SHA-256: f6a011a2efd0a87b3eb925540a460350633fca12151624bb953ec2cd797fb210
194 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the text 'Axolotl facts and information' and the malicious URL, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a larger link farm, likely for SEO manipulation or to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=axolotl+facts+and+information In PDF document text
    • http://files.ideamagnets.com/uploads/1/3/0/7/130739154/mesuxuzeromugib_zanakeb.pdfIn PDF document text
    • http://tokak.mikearend.com/uploads/1/3/0/9/130969352/4f30f4574.pdfIn PDF document text
    • http://files.writingfromthewastebasket.com/uploads/1/3/2/7/132712185/valuta.pdfIn PDF document text
    • http://ripovud.timsguitar.net/uploads/1/3/1/3/131378898/gamus-sedexopusomuzap.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/1/0431/6754/7554/files/fubugaximene.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6694/7744/files/26064735271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2658/6519/files/58175062001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6371/3695/files/70453879826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0377/2056/files/kewomu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6676/0095/files/syllogism_rules_bankersadda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5982/2244/files/flash_ms_pacman.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5104/1447/files/vobekaminedi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2490/0515/files/digibug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6942/3269/files/2446269071.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8543/0945/files/69960437891.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3434/5625/files/rolex_ayo_and_teo_audiomack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1322/6152/files/39656395210.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_off00007d1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D1D 5224 bytes
SHA-256: 03c77e7843c39d2dafe7c65649454f0db0c57611523c2cf264419c840cfac8c8
font_01_sfnt_off00008ec5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EC5 10332 bytes
SHA-256: fa2965b11983667a73740b32744b65e766646ebc0ceb7122f93e675458f8dc20

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