Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fd37032bca27fb0…

MALICIOUS

PDF

48.4 KB Created: 2020-08-02 09:48:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a4f16317403e57ff64c93a09a0724a4c SHA-1: 9e1d306d19854babd8b508c02b0dfd4a76f2378c SHA-256: 9fd37032bca27fb00f872f77481205f55f6fc0105a7254105282a16e29b8156b
194 Risk Score

Malware Insights

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

The PDF file was flagged as malicious due to a high number of embedded links, many of which are part of a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.com. The document body contains the same redirector URL and a Shopify URL, suggesting a lure or content manipulation strategy. The presence of these links and the malicious redirector indicates an attempt to direct users to harmful content or infrastructure.

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=windwalker+monk+pvp In PDF document text
    • http://files.wartornblackmetal.co.uk/uploads/1/3/2/3/132302928/dovegazapuxijaloxuf.pdfIn PDF document text
    • http://files.sonomadrivingtours.com/uploads/1/3/0/9/130969548/waburikojomofetu.pdfIn PDF document text
    • http://files.kitmetlen.com/uploads/1/3/0/7/130738758/8621342.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/1/0438/6154/1014/files/vusipagosupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5347/3189/files/42622624245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78539107281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17612659915.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9055/8622/files/pofitiluwepifom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vofelowuloluvazoriwonub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0533/0083/files/rajigulepofojelazu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6717/1223/files/kilunibazabusutuzoxoxakiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9866/9220/files/nomezajimazow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8472/4889/files/gatewavinokab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4444/5092/files/kisagit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wurawosupamajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2052/5476/files/fuwefave.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/29426817789.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 3

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_off000079b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79B2 5156 bytes
SHA-256: bc5e3473a43535a95524cbdb111deaecf20dab184d10125ca31b0a76e357d28e
font_01_sfnt_off00008b42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B42 12944 bytes
SHA-256: eca5ba3a73e6c643d251c81dd2b0105cfe64b4a4a591849128fc2247a1290af7

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