Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e9fa268b15b49f1…

MALICIOUS

PDF

35.0 KB Created: 2020-08-19 22:56:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1ba6b61348e263a3a2552855316fbebb SHA-1: 414c63393bbe2db5b3a94debce988a75e4d0fbb8 SHA-256: 8e9fa268b15b49f1b24d6cdb7e7b997665cef1fab0c9abed10700b72c7fa8e48
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to a known malicious domain, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the text "Plantronics backbeat go 2 instruction manual" and the malicious URL, reinforcing the lure. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to manipulate search engine results or distribute content, with at least one link leading to a known malicious redirector.

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.cc/pify?keyword=plantronics+backbeat+go+2+instruction+manual In PDF document text
    • http://moxakaxe.offthedirtroad.net/uploads/1/3/0/7/130775634/lavejeb-gabomitikuvi.pdfIn PDF document text
    • http://files.shahrizzal.com/uploads/1/3/1/6/131636589/5c966a8.pdfIn PDF document text
    • http://files.teachmrn.com/uploads/1/3/1/4/131407388/5142023.pdfIn PDF document text
    • http://files.nourishmentinmotion.com/uploads/1/3/1/1/131164199/9438681.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/1/0435/9811/9071/files/cambio_climatico_antropogenico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5314/6517/files/burj_khalifa_video_song_hdyaar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1311/1961/files/pelvic_girdle_pain_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2470/9794/files/hayes_school_publishing_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0553/4620/files/asthma_treatment_guidelines.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0658/3203/files/20425162710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0126/6851/files/fefotanusavopefiwunu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gasowezigubufavowi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9289/3093/files/49359683837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2753/7828/files/pevuze.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_off000049f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49F3 5456 bytes
SHA-256: 68505b2199d2c5a7ed15e27b5bf4825d073076c7d60148bb5054aaf7eba1aa6a
font_01_sfnt_off00005c6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C6C 10176 bytes
SHA-256: 00553c32e5e7366c6b32dc84d3c8ac8d41ee58e7689ea9ab06dd8dbdebed03e6

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