Malicious PDF — malware analysis report

Static analysis result for SHA-256 47428cc4ec7b51ce…

MALICIOUS

PDF

36.2 KB Created: 2020-08-16 20:57:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 940a63ad88a95b1fb6ef6c784db732ef SHA-1: 6351775bc787951d9d42f161c58bb4998d5cf492 SHA-256: 47428cc4ec7b51ce9a827db73a600e598d33e581bc71dc9b32a9503e1f213ac8
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=elantra+2018+owner%2527+s+manual'. This URL is presented within the document body, disguised as a link to an Elantra owner's manual. The PDF also exhibits characteristics of a link farm, with numerous external links, many of which are to Shopify domains hosting PDF files. The primary malicious link likely serves as a lure to a phishing or malware distribution site.

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=elantra+2018+owner%2527+s+manual In PDF document text
    • http://files.muttleys.ca/uploads/1/3/1/6/131636914/zedometagum.pdfIn PDF document text
    • http://nitanovos.dscomachinery.com/uploads/1/3/1/6/131636879/jugejiraruna.pdfIn PDF document text
    • http://lakisele.nkskin.com/uploads/1/3/0/7/130775386/lasegere.pdfIn PDF document text
    • http://files.jduhdesigns.com/uploads/1/3/0/7/130775653/ebef1c218cee8d1.pdfIn PDF document text
    • http://files.thedriftwoodshack.com/uploads/1/3/1/4/131453733/raxawisumolow.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/1/0440/2796/9686/files/18396783027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5294/7863/files/hp_prime_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5996/0218/files/41997604587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9018/2304/files/najebufakuworuvogepipe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/8512/2984/files/thick_leather_farming_classic_wow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8716/7645/files/52242388655.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/baby_doll_remix_song_djmaza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89186344985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0823/7473/files/how_to_boost_your_self_esteem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7531/9448/files/zuziwobelam.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F67 5432 bytes
SHA-256: f4b998ba8c725fe7611f4bfaed07c9afe5f2ced81712c467c7da1a700653483e
font_01_sfnt_off000061e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61E1 9948 bytes
SHA-256: fdbe999659ce121cd7086af782c9dcea1835b7fc675ee03eeaa84b3242643554