Malicious PDF — malware analysis report

Static analysis result for SHA-256 03685c03583695e6…

MALICIOUS

PDF

42.1 KB Created: 2020-08-03 00:03:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 318679a10e6154572593a3cff4dcb2fe SHA-1: 81ad7d7bdbeafd350c4a2dca255c16125719dae4 SHA-256: 03685c03583695e6ab8cc1b005241931bbbf585b789f4e90940537faf9551bb3
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains multiple embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body and heuristics suggest a lure related to financial transactions, specifically mentioning 'Western Union hacking' and a 'payment redirection' pattern. The presence of numerous external PDF links, many hosted on Shopify, further supports a phishing or credential harvesting campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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=western+union+hacking In PDF document text
    • http://files.hirowheels.com/uploads/1/3/2/8/132814791/mapixukixujovujexesa.pdfIn PDF document text
    • http://files.christiestimber.com/uploads/1/3/2/3/132302815/a80bec9c772bc.pdfIn PDF document text
    • http://files.haywardfitnessfanatics.com/uploads/1/3/1/3/131379971/5150538.pdfIn PDF document text
    • http://files.brightstonefarm.com/uploads/1/3/2/6/132696063/fc519.pdfIn PDF document text
    • http://files.wellingtoncricketclub.com/uploads/1/3/1/3/131378791/fozufoj_ruwezed_pitibiradata.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/1/0430/8670/8885/files/86272930791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7952/2714/files/47670971415.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/61547318866.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2973/3282/files/jowixefupo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1837/0728/files/kupodilimifezuruxefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1313/4757/files/xemaromisasidusonexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4864/0418/files/89213637822.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4350/9656/files/rawezefudutiduwuvos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1104/6561/files/carbuncle_cottage_walls.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7969/5526/files/jisoxut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6556/5589/files/degifuwad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3034/7938/files/livafowepe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wajumibuxup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/9786237948.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_off00006559.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6559 5104 bytes
SHA-256: 7851f50ea21aa845fb5447cb96963253de6c7cf5629726f3670d601bdfaf324b
font_01_sfnt_off000076c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C1 10820 bytes
SHA-256: 40a1d20c6dc1dbc5040a469fc901f0b645bc95b6adc3a7203ec10b0a087daa28

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