Malicious PDF — malware analysis report

Static analysis result for SHA-256 bea31c5696aa8c88…

MALICIOUS

PDF

34.8 KB Created: 2020-08-03 07:50:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aca8299a58046f1eec688c7e46a13673 SHA-1: 3ba5de80487faa51c3cbfa8aeee287ca983628e3 SHA-256: bea31c5696aa8c88bb25e5aaa11d12c88551b8b19b6070158e885e18ee48d986
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also flagged this PDF with high confidence. The presence of numerous links, including one pointing to a malicious redirector, strongly suggests a phishing or malware distribution attempt. The document body itself is largely unreadable, but the embedded URL 'https://ttraff.cc/pify?keyword=homelite+weed+eater' is a clear indicator of malicious intent.

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=homelite+weed+eater In PDF document text
    • http://files.advance-biotech.com/uploads/1/3/1/6/131606261/9532301.pdfIn PDF document text
    • http://files.emisprint.co.uk/uploads/1/3/2/6/132680869/95faf38d6d727b.pdfIn PDF document text
    • http://gowore.davinciinitiative.org/uploads/1/3/0/7/130776486/7323826.pdfIn PDF document text
    • http://files.michaelcmarshall.com/uploads/1/3/0/7/130739814/visexumivamu-pakuzit.pdfIn PDF document text
    • http://files.fawkhamridingclub.com/uploads/1/3/0/8/130813645/sofavemobiruxe_poloso.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/1/0429/4184/1575/files/tomifegagamotubutox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5335/0040/files/gosetovun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0500/8293/files/58091906252.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0900/0103/files/vukikudekalasazisojigimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3414/0056/files/43832400316.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8615/9767/files/fuxus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1446/3394/files/61174532107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8161/3987/files/tigatiseloluku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9606/3652/files/82440566279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9941/3925/files/giropudig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4302/7106/files/94687628801.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5384/0534/files/73951365884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0617/8966/files/7162420542.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_off00004bdc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BDC 4848 bytes
SHA-256: e2a1b2182cb154d8b5e430644229328a70ec5101a803b7011920a02659b4f671
font_01_sfnt_off00005c45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C45 10108 bytes
SHA-256: 1a6505636114cf66e8db33065bf6f41e5fc4a4a6afc9f10fa910e11fac717af4

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