Malicious PDF — malware analysis report

Static analysis result for SHA-256 fca430c13ad7e256…

MALICIOUS

PDF

58.8 KB Created: 2020-08-14 00:46:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: af1295f0b01248ac9fb65f00ab51d9c3 SHA-1: 493deac22ffce56278c9565254f3fa7158675216 SHA-256: fca430c13ad7e2565d55d1cc75ac79f229ada4c7ffa67e2e22b0fb1082f1026e
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 a critical heuristic firing indicating a malicious redirector. The primary URL, https://ttraff.com/pify?keyword=blogging+platforms+2019, is likely used to obscure the ultimate destination of the malicious payload. The document body itself is largely garbled but contains references to the redirector and other URLs hosted on Shopify and various unknown domains, suggesting a link farm or SEO poisoning tactic to lure victims.

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=blogging+platforms+2019 In PDF document text
    • http://xiwobu.tracymedeiros.com/uploads/1/3/2/3/132303382/bujewekipumexiv_nizizemedotigob_joner.pdfIn PDF document text
    • http://toxifoxe.myssma.com/uploads/1/3/2/7/132740285/kugamenos.pdfIn PDF document text
    • http://kogowuxo.oliviacliftonbligh.com/uploads/1/3/2/8/132814930/satenojov-sofigo-rivavu.pdfIn PDF document text
    • http://files.azerperlite.com/uploads/1/3/1/3/131383743/12b900.pdfIn PDF document text
    • http://gafubotat.unbreakable.be/uploads/1/3/1/6/131607407/6b3833250.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/1/0439/4234/6907/files/ditusemaxotasodoriwizibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7310/1214/files/94710656349.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3182/1473/files/gagufuvewakikudemozikekox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8579/0365/files/lisonebudasedez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7342/0965/files/kixun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3713/0914/files/domivuwurujenededurawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5901/9933/files/95711281341.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7727/0692/files/french_revolution_in_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6992/3740/files/92027003851.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3676/2527/files/13991451509.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0239/5813/files/7969749599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6742/4409/files/business_english_writing.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 5

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_off0000a81d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA81D 5752 bytes
SHA-256: bcf0d902747c7f16fa87028d35e83d3ac0d87d3ae0b3317f51158b61cba1dd41
font_01_sfnt_off0000bba0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBA0 10188 bytes
SHA-256: 261c8712af82a32b3ad9bc63cb0672a00810e54363278715d23968d01b1c6747

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