Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1e8699d155c7d62…

MALICIOUS

PDF

56.6 KB Created: 2020-08-10 23:16:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ee6d6d3e90ab046e2eb0619e19cf4f3f SHA-1: 283e2e6b7a962bb766e33735e5a706271e897203 SHA-256: c1e8699d155c7d62c56314c3e336d4c7a112cb4c7f20b5d32827a52817ba2c73
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body text, though garbled, includes the phrase 'Beating the street pdf free download' and the malicious redirector URL, indicating a lure for users seeking the book. The primary malicious IOC is the redirector URL, which likely leads to further malicious 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.cc/pify?keyword=beating+the+street+pdf+free+download In PDF document text
    • http://files.ramarphoto.com/uploads/1/3/1/4/131437983/5277681.pdfIn PDF document text
    • http://files.andrewmichaelart.com/uploads/1/3/1/4/131408529/59fa416c9cccb3.pdfIn PDF document text
    • http://mulekovi.donardnswicklow.com/uploads/1/3/0/8/130814758/7962634.pdfIn PDF document text
    • http://files.senmccartney.com/uploads/1/3/1/1/131163635/3810634.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/1/0428/9835/8432/files/48695811849.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5449/6935/files/informal_letter_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2177/7570/files/95786432835.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7235/5478/files/81212540893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4959/8632/files/53924978507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3191/9765/files/repifulewufawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2576/6312/files/wuvefum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5037/5070/files/10217197692.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8708/5220/files/game_of_thrones_season_1_download_kickass.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0280/4898/files/57901979016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8786/9592/files/2970976985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9429/3142/files/wavopufatif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8155/6375/files/mujelunupo.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_off00009e35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E35 5444 bytes
SHA-256: a7258c8597db146bed83fd21f4e360a35c098f94d3521a579f6a64dbb9728774
font_01_sfnt_off0000b0c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB0C3 10728 bytes
SHA-256: d870e35e5486c2b1ba76c6afbef191aebc35cb02ec7bfbc1920d4fc16ff65dbf

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