Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac7568b1d9db4819…

MALICIOUS

PDF

46.0 KB Created: 2020-08-09 15:45:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fded80b0949e39ecc0e6ee4fd8674c25 SHA-1: 3975772f7279033fa14380c8b3d056cc82c98c6b SHA-256: ac7568b1d9db4819f4c46f2d719b43859b726b261627d476e0f8e6cda72b916c
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link redirects through ttraff.cc, a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Arizona articles of organization pdf' and includes the malicious redirector URL. This suggests a phishing or content-scraping lure, aiming to direct users to malicious infrastructure. The presence of a callback phishing lure heuristic further supports a social engineering attack vector.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=arizona+articles+of+organization+pdf
    • http://wezufale.voicesacrossborders.com/uploads/1/3/1/4/131438216/sosuremipagakat.pdf
    • http://vufipezeg.livelifewelltherapy.com/uploads/1/3/0/8/130813765/330124.pdf
    • http://files.rosypetrova.online/uploads/1/3/1/8/131856649/lafexipuxivesexewoxi.pdf
    • https://cdn.shopify.com/s/files/1/0431/8085/1364/files/42608674136.pdf
    • https://cdn.shopify.com/s/files/1/0436/6182/0054/files/gejufufixabuweru.pdf
    • https://cdn.shopify.com/s/files/1/0434/8457/7958/files/botany_objective_question_bank.pdf
    • https://cdn.shopify.com/s/files/1/0430/0849/1673/files/tavugagivunorid.pdf
    • https://cdn.shopify.com/s/files/1/0428/0510/0707/files/moxudevof.pdf
    • https://cdn.shopify.com/s/files/1/0429/7038/2490/files/bipolar_assessment.pdf
    • https://cdn.shopify.com/s/files/1/0432/5317/0339/files/zexowenor.pdf
    • https://cdn.shopify.com/s/files/1/0428/5412/1635/files/buveraresobo.pdf
    • https://cdn.shopify.com/s/files/1/0436/9963/4328/files/fixasaw.pdf
    • https://cdn.shopify.com/s/files/1/0430/1481/5901/files/puzifofufufuroteleta.pdf
    • https://cdn.shopify.com/s/files/1/0430/7438/8119/files/digavufe.pdf
    • https://cdn.shopify.com/s/files/1/0429/8119/5927/files/lawafokeriwigarososop.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007110.bin
d82a6f0645cfccaaaed628a5f873815a38ceb5a3cfa5b5c129279c2b3a15f0b3
pdf-font-stream PDF embedded font (sfnt) at offset 0x7110 5364 bytes
font_01_sfnt_off00008364.bin
a7dccc9f021c3d6f99ac9711c9369f7030d2f22a50083886351d671a39f0a57f
pdf-font-stream PDF embedded font (sfnt) at offset 0x8364 12076 bytes