Malicious PDF — malware analysis report

Static analysis result for SHA-256 42314d81c9abdc20…

MALICIOUS

PDF

39.8 KB Created: 2020-08-09 00:56:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 12ad0256611d5f33df0be8c5b5eb272f SHA-1: 2d28245772e09e1a99a824dfa6c36b2d8f42a7aa SHA-256: 42314d81c9abdc20294c95fea65654b41392e446272f66598939c692b5b1cdf4
194 Risk Score

Malware Insights

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

The PDF contains embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, appears to reference a catalogue, suggesting a lure. The presence of numerous Shopify links, including one flagged as confirmed benign, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is used for malicious redirection.

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=catalogue+avon+juillet+2020+pdf In PDF document text
    • http://files.pbconsulting.us/uploads/1/3/1/4/131407493/piruvoginan.pdfIn PDF document text
    • http://files.tuneduplife.com/uploads/1/3/1/6/131637257/mujupenew_pisokod_winiwoforakuj.pdfIn PDF document text
    • http://files.thenauticalartsworkshop.com/uploads/1/3/1/6/131606035/bikebawifutir.pdfIn PDF document text
    • http://files.maiawellnessstudio.com/uploads/1/3/0/8/130814788/lafikewatub.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/1/0428/0093/9164/files/bandara_kertajati.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5542/3383/files/oxford_discover_1_grammar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1846/7997/files/mopuvesomemedu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8858/4605/files/dazoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5895/3369/files/natazinoluzawaxonized.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7931/1253/files/types_of_implicature.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5679/8627/files/38925702491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2275/1643/files/39649315648.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/2777/9999/files/wings_of_fire_book_in_kannada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/zejufemidaj.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000054ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54FF 5248 bytes
SHA-256: 3aee76602600fe2d4224e5575f0e0d2ed03c935cde9cd40a73163571b970b2e8
font_01_sfnt_off000066fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66FA 1600 bytes
SHA-256: d26caba2ef8983510859c20a3c691fc98ad42a48956b36e6e2a03a663200e3de
font_02_sfnt_off00006f23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F23 10348 bytes
SHA-256: 31eb46564ed3c22552e53657da01f086f4761f8a620a486b73a3753a3195194d

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