PDF malware analysis — malicious · b22a52d657f04f03

MALICIOUS

PDF

45.2 KB Created: 2020-08-07 05:09:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 044757c688499f3d372a4fe2470f7b34 SHA-1: a494fa62226f62af5cc0304f0212bbf32c0b0d74 SHA-256: b22a52d657f04f03389bc6fe362857bf9cd949aa8db05f9a0144aa2e667a04e0

150 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 infrastructure at 'ttraff.cc'. The document body, though malformed, suggests a lure related to 'utmost good faith in insurance law'. The primary malicious link is 'https://ttraff.cc/pify?keyword=utmost+good+faith+in+insurance+law+pdf', which likely serves as a redirector to further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

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.
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=utmost+good+faith+in+insurance+law+pdf
- http://files.5talentstraining.com/uploads/1/3/1/1/131164236/2252437.pdf
- http://files.bluelanternstore.com/uploads/1/3/0/7/130739754/6238760.pdf
- http://xakov.enviscid.com/uploads/1/3/1/3/131398091/gurekiviwivi-tojogerarib-puwelomo.pdf
- https://cdn.shopify.com/s/files/1/0432/0965/4434/files/mafusiwufe.pdf
- https://cdn.shopify.com/s/files/1/0433/8283/3308/files/fefenadomuroziwuse.pdf
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/5836507919.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zozaweguxilamefawe.pdf
- https://cdn.shopify.com/s/files/1/0435/3818/6392/files/riret.pdf
- https://cdn.shopify.com/s/files/1/0434/2140/1237/files/37341110256.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41758367329.pdf
- https://cdn.shopify.com/s/files/1/0435/4995/0116/files/5003516883.pdf
- https://cdn.shopify.com/s/files/1/0437/4927/7845/files/case_study_of_urban_design.pdf
- https://cdn.shopify.com/s/files/1/0429/9200/9365/files/81994140437.pdf
- https://cdn.shopify.com/s/files/1/0433/5340/7646/files/process_dynamics_and_control.pdf
- https://cdn.shopify.com/s/files/1/0436/8600/2843/files/30643634355.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000064c8.bin` `ec9d3f25695d60aebad476e56ffe32bf6dfd12b6ad6e1d6b298aaaa65871fbcc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64C8	5532 bytes
`font_01_sfnt_off00007782.bin` `a477f4d5a6b1c34cf2a837b92b3272168ffbc2bce9e121b94eaf1317104f920e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7782	9876 bytes
`font_02_sfnt_off0000995f.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x995F	4324 bytes

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