PDF malware analysis — malicious · deedfbfc00e88672

MALICIOUS

PDF

51.5 KB Created: 2020-08-19 14:41:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ad8fa3b242cb1206980312b0afc754eb SHA-1: 943cd1a2f69e213edfbf68716a8a44a53d47957f SHA-256: deedfbfc00e88672b74fbfae5006dcabbaf73118ec376e04f156ce40c6f136f3

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains multiple embedded URLs, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'expanded accounting equation template'. This, combined with the heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'SE_CALLBACK_LURE', suggests a phishing or scam attempt. The presence of numerous links to Shopify-hosted PDFs, while many are benign, indicates a potential link farm used to obscure the malicious redirector.

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.com/pify?keyword=expanded+accounting+equation+template
- http://gozab.stephenlotus.com/uploads/1/3/1/4/131454035/9655654de4.pdf
- http://files.rosaveritas.nl/uploads/1/3/0/7/130738675/2619277.pdf
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/fitemenusororar.pdf
- https://cdn.shopify.com/s/files/1/0435/0866/2440/files/nuwupidofawisorimemiwab.pdf
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/61213292072.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5800/files/feline_leukemia_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/32297594515.pdf
- https://cdn.shopify.com/s/files/1/0434/8307/0629/files/78544378355.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8853/files/line_chart_d3.pdf
- https://cdn.shopify.com/s/files/1/0437/3371/3050/files/zufujozezet.pdf
- https://cdn.shopify.com/s/files/1/0438/4686/0957/files/anticipatory_bail.pdf
- https://cdn.shopify.com/s/files/1/0435/0921/9492/files/2693473837.pdf
- https://cdn.shopify.com/s/files/1/0432/7027/5236/files/36160170870.pdf
- https://cdn.shopify.com/s/files/1/0432/4858/2820/files/furuxupekapodebal.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00008b2c.bin` `d8f5b96565364aa5d1733fc59ef5bae1d8fd4e46b07892940c0a9f434539c5a7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B2C	5268 bytes
`font_01_sfnt_off00009d03.bin` `3671ae04d99e71c514187de2c72a3132ad6fd90479f78cba74ec1635e35fe98b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9D03	10648 bytes

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