Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffb94be2e383ad50…

MALICIOUS

PDF

44.7 KB Created: 2020-08-23 10:22:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5aa9f180f89d5527509a9a414e09f3ba SHA-1: 78521ac969f4f41fd5c831b55b5ed0f66b48ba43 SHA-256: ffb94be2e383ad5096ec03c950b2e18992493f7c34b3efd0be8a6f78ee3d94a7
194 Risk Score

Malware Insights

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

The PDF contains embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, includes text related to 'Kaufland' and 'pdf', suggesting a lure. The primary malicious URL is ttraff.com, which is used to redirect to a potentially malicious resource. The presence of a link farm heuristic indicates an attempt to generate traffic or distribute content.

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=kaufland+let%25C3%25A1k+v+pdf In PDF document text
    • http://files.sanpeteseamless.com/uploads/1/3/0/7/130738748/4733625.pdfIn PDF document text
    • http://files.onceupon-atime.com/uploads/1/3/0/9/130969166/vapeza.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/1/0431/6535/2095/files/xorapelawimigegojev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0527/0427/files/timeline_templates_keynote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5938/8316/files/behavior_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2342/5955/files/dazirigibuwulono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8645/3663/files/kaxugavegel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23929268289.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1901/0201/files/23310631255.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6966/1589/files/sujelanarawabumopudurubid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5004/1495/files/tuduxax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6997/2392/files/61875372480.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/xixuda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1473/1429/files/ice_sheet_in_antarctica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2588/1498/files/xibakudesuwukunak.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 6

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_off00006e4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E4D 5088 bytes
SHA-256: f77f0a6092d6423d38b39b443302968a7ff9c47a6678812278ad2a07cfd6df33
font_01_sfnt_off00007f30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F30 11964 bytes
SHA-256: ba04ffecccabee09b586eddc19c1eb293d7caeb02e6c3453cdd6f1910281d6f7

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