Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e09c5e93ff94620…

MALICIOUS

PDF

34.3 KB Created: 2020-11-06 05:44:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c83a57104bf988a29437bf17b3463bcd SHA-1: 12bf121d27917fdba442c22a4b165003fc74a803 SHA-256: 6e09c5e93ff946207889dfa0af1fc1a03affe2435f95aba0c7666112cfcf4f04
74 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs, many pointing to disposable hosting services, and includes a call-to-action phrase. The ML classifier strongly indicates maliciousness, and the overall structure suggests a lure to download a secondary payload. The presence of a link farm on disposable hosting further supports a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://trafftec.ru/strik?keyword=army+sub+hand+receipt+form+2062 PDF link annotation
    • https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/mosunidedagot.pdfIn PDF document text
    • https://vepezifu.weebly.com/uploads/1/3/4/2/134265798/regope.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409092/normal_5fa09ae9805c1.pdfIn PDF document text
    • https://gejekawuxo.weebly.com/uploads/1/3/4/4/134497426/givaxegoke.pdfIn PDF document text
    • https://pefopurez.weebly.com/uploads/1/3/4/3/134375846/67b9c7747388.pdfIn PDF document text
    • https://jakemujilofadam.weebly.com/uploads/1/3/1/3/131380171/965398.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420602/normal_5f99bd652d5f4.pdfIn PDF document text
    • https://tumovapexawezan.weebly.com/uploads/1/3/1/3/131398362/6fb953.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/20b4c21b-f1b7-4479-ab55-1c33939d1c89/vivovivilerafizifox.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/591f997c-9a81-4c3e-a6ea-b93cbaba3b92/20006485554.pdfIn PDF document text
    • https://s3.amazonaws.com/fosalizuzu/xegekipama.pdfIn PDF document text
    • https://s3.amazonaws.com/voxazedisula/bird_feeder_hangers_for_fences.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/6629/2894/files/insulation_removal_vacuum_bags.pdfIn PDF document text
    • https://s3.amazonaws.com/ronenitevodo/saxadorilatilotobabozeb.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004706.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4706 6024 bytes
SHA-256: a5ef9d943f36282d6eb1661a1776ad36baf79318382c26068c7d93a36a470263
font_01_sfnt_off00005b60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B60 9692 bytes
SHA-256: 0469b8f991fc887647e1ca5ea22b60d4c945d51410c56c17ffc142461763e1ec

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