Malicious PDF — malware analysis report

Static analysis result for SHA-256 d67d2251407f8237…

MALICIOUS

PDF

42.3 KB Created: 2020-07-13 02:30:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 52d67ff76b2ccabecbcbd0126aae847f SHA-1: aef466f6737e5c63bba5492c4776ab685f893934 SHA-256: d67d2251407f82374e0a7399798c3086e4206586fecbb8adacceff02d33aaecf
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with critical heuristics identifying it as a malicious redirector and a link farm. One of the primary links points to 'ttraff.com', a known malicious redirector. Another link leads to a PDF hosted on 'veteransmusicfest.com'. The document body is heavily obfuscated and does not provide clear textual lures, but the presence of these links strongly suggests a phishing or redirection attempt.

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=achy+breaky+heart+chord In PDF document text
    • http://files.veteransmusicfest.com/uploads/1/3/2/7/132712373/4896781.pdfIn PDF document text
    • http://files.sallyokkerse.com/uploads/1/3/0/7/130776787/4509756.pdfIn PDF document text
    • http://files.mauritzvandenworm.com/uploads/1/3/0/7/130775192/9904956.pdfIn PDF document text
    • http://files.perryyoungblood.com/uploads/1/3/1/3/131383329/2393668.pdfIn PDF document text
    • http://files.canyoncitygrill.com/uploads/1/3/1/3/131383478/lujekigaxuwozaj.pdfIn PDF document text
    • http://files.arcticexclusive.com/uploads/1/3/1/1/131163777/174395.pdfIn PDF document text
    • http://files.hamakuasacredarts.com/uploads/1/3/1/0/131070751/e2768.pdfIn PDF document text
    • http://files.saintdavids.net/uploads/1/3/0/7/130738562/c889c2352b2b6f0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://tizenanuvam.files.wordpress.com/2020/06/9896523361.pdfIn PDF document text
    • https://gofuvefim.files.wordpress.com/2020/07/mobisetenajofadusi.pdfIn PDF document text
    • https://wasigamolo.files.wordpress.com/2020/06/92014068728.pdfIn PDF document text
    • https://kogovabazoro.files.wordpress.com/2020/06/rubenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9736/6436/files/mozulos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tijubijevuvikupox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5680/8607/files/68360568243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8026/9462/files/diwalenagaditenefonik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3791/7345/files/potivukuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6310/6968/files/menefojozug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4658/3976/files/pimevoled.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5455/4533/files/zawepune.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_off00006043.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6043 4748 bytes
SHA-256: 4c25686676921f95d2a666a846859fc35d572cad45d1046b9656bf06fe2fe9b8
font_01_sfnt_off0000706a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x706A 1576 bytes
SHA-256: 912673f57925464b81bfd17a9e5ef17d31cb52cd3bf662e201ea3fe60c7c8e96
font_02_sfnt_off00007885.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7885 10088 bytes
SHA-256: c133ddda63998ee7efbf412de37ab86599d8c82569cd24bf12348a93625f6df5