Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a426156c7ac265…

MALICIOUS

PDF

39.5 KB Created: 2020-08-23 00:26:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d6b4716c40fedaea7dd9792a9bd863af SHA-1: 79d651463271a936923c8d7ed7173201d8bae391 SHA-256: c2a426156c7ac2653d7272f207ad32ff9f0758c7c1376c6fb5de7a7f814199f7
140 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious redirector (ttraff.cc). The document body, though heavily obfuscated, contains the same redirector URL, suggesting it is the primary lure. The presence of a callback lure heuristic further supports a phishing or scamming intent. No scripts were extracted from this sample.

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=harsens+island+waterfowl+report
    • http://latukon.fanfareprints.com/uploads/1/3/2/7/132712237/2502ad804e.pdf
    • http://files.pinepointoysters.com/uploads/1/3/1/1/131164027/taxirulusesi.pdf
    • https://cdn.shopify.com/s/files/1/0440/8301/9941/files/72050317434.pdf
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/making_inferences_worksheet_for_grade_7.pdf
    • https://cdn.shopify.com/s/files/1/0458/1484/1510/files/nukojewitakojoxodaporil.pdf
    • https://cdn.shopify.com/s/files/1/0432/5307/2022/files/tixapunud.pdf
    • https://cdn.shopify.com/s/files/1/0431/8851/9080/files/66539191495.pdf
    • https://cdn.shopify.com/s/files/1/0428/9635/9580/files/chahal_hadees_in_arabic_and_urdu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0653/3527/files/rukago.pdf
    • https://cdn.shopify.com/s/files/1/0433/7870/4536/files/waterimiwujinabumojep.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_off00005d05.bin
6f09376f921d499165a1ce3ad38ca848b523662f8e027a3e69535a40e3e5013c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D05 5088 bytes
font_01_sfnt_off00006e6e.bin
bb55da371d85edfe9756425eb94ccbc83e48bc5954560e94de5f19071c449542		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6E 10304 bytes

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