Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc5ec314a751ecee…

MALICIOUS

PDF

45.5 KB Created: 2020-08-24 17:16:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2f8f2171acca9bb83842fb66817223d7 SHA-1: c8d0be38648afabc74f7ae62817c8a26187ed171 SHA-256: cc5ec314a751eceecbaf194c6c968d248572c10557587e7a7f8857c188c1cb9a
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, suggesting a link farm or SEO poisoning tactic. One prominent link, 'https://ttraff.com/pify?keyword=corporate+a4+brochure+templates+free', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other Shopify URLs, reinforcing the lure of free templates. The ML classifier strongly flagged this PDF as malicious.

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=corporate+a4+brochure+templates+free In PDF document text
    • http://files.contemplarichristi.com/uploads/1/3/1/4/131436980/wigoxemo_mevanulare_dolimolevafiru_butixebogagiset.pdfIn PDF document text
    • http://files.gozamurai.com/uploads/1/3/1/0/131070207/luvowudupo.pdfIn PDF document text
    • http://files.smartonlinebookkeeping.net/uploads/1/3/0/7/130738673/zarulexurimejurofug.pdfIn PDF document text
    • http://jodaxiw.impulsivelust.com/uploads/1/3/0/8/130814187/dereruna-gesemikevuwo-nevoz-vonomarono.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0466/3371/3829/files/tosaletawisumizided.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1769/9477/files/geguluxet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4614/1093/files/55748073870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8266/9461/files/85034390760.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3161/7945/files/butter_bob_briggs_wikipedia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67142307476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9314/8313/files/rakovorisajijikotofore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5746/3971/files/26400679143.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/80584506683.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9983/1968/files/70834956392.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5551/2738/files/43138862542.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8855/9780/files/85170720266.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2303/0693/files/dialectic_of_enlightenment.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006733.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6733 5236 bytes
SHA-256: 4777cd235e6ef9792c29efa4b35ad9ccd8e853ad574ee6aaee52f04607d99c34
font_01_sfnt_off00007907.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7907 9856 bytes
SHA-256: c38d68c7475312749ffd4d0c1cc48e91f5b4790b4a5618dac08cbb48f3efbc4b
font_02_sfnt_off00009a78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A78 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c