PDF malware analysis — malicious · 48611476b4ede9d4

MALICIOUS

PDF

42.3 KB Created: 2020-07-13 19:38:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7acfc56a4783f026a55b2eda076ba2fc SHA-1: 5afbb59c7ccfcae12a3fd3651c3413fa8586aa7a SHA-256: 48611476b4ede9d46b16ba2a984f1744634ae416f82be3b63d44a4e4ca33a946

160 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a link farm with 30 external links, many hosted on Shopify, designed to obscure malicious redirectors. One critical heuristic identified a link to a known malicious redirector at 'ttraff.cc'. The document also suggests it is password-protected, a common tactic to bypass gateway scanning. No scripts were extracted, but the PDF structure and heuristics strongly indicate a phishing or redirection attempt.

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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=wondershare+pdf+editor+ocr+plugin
- http://files.gunnersquillshedgehogs.com/uploads/1/3/1/4/131454272/6460399.pdf
- http://files.myfutra.com/uploads/1/3/1/3/131384018/netax.pdf
- http://files.austlinq.com/uploads/1/3/1/4/131452817/2552472.pdf
- https://zitimaga.fil
- https://cdn.shopify.com/s/files/1/0430/3480/4375/files/venevilejilil.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mufuma.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/85768482107.pdf
- https://natuzupeli.files.wordpress.com/2020/06/zukawupaluxarowepi.pdf
- https://zitimaga.files.wordpress.com/2020/07/bopisejetuximaxaj.pdf
- https://tuwudidan.files.wordpress.com/2020/07/40289307187.pdf
- https://cdn.shopify.com/s/files/1/0433/4118/5189/files/bamix.pdf
- https://cdn.shopify.com/s/files/1/0431/1724/8672/files/piripodofezezewodifigunil.pdf
- https://cdn.shopify.com/s/files/1/0432/6516/3422/files/dovogajodazetupuridapit.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73633131036.pdf
- https://cdn.shopify.com/s/files/1/0428/9026/4742/files/1124161551.pdf
- https://cdn.shopify.com/s/files/1/0430/9493/3665/files/xameviramebogugulax.pdf
- https://cdn.shopify.com/s/files/1/0430/2585/8714/files/39634909479.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_off000065ce.bin` `3981518933e0af02088d593d278cfb1410d22f18bad43471b9c6d7709b1f71a1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65CE	5312 bytes
`font_01_sfnt_off000077e1.bin` `37c8306f72370faa2ad9c338c1a1a7e6360eb8c2908fc8ab4ee00d785c45fd54`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77E1	10636 bytes

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