PDF malware analysis — malicious · f24ab979c1dd3b92

MALICIOUS

PDF

42.2 KB Created: 2020-08-23 00:00:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 1097fcd9862cbaaa2d0538e6909b6f7a SHA-1: a59115ef51e94eddaeb67fbe58a1124a305db7ba SHA-256: f24ab979c1dd3b92529da7e5dec8701d96837d4424af7ac0f8c4f91bba45f964

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though partially corrupted, contains text related to 'Assurance wireless application pdf oregon' and includes the malicious URL, suggesting a lure for a phishing or scam operation. Additionally, a heuristic for a PDF link farm was triggered, indicating the document is designed to host numerous external links, likely for SEO poisoning or distributing malicious content.

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=assurance+wireless+application+pdf+oregon
- http://sidiko.rickywhitemore.co.uk/uploads/1/3/1/6/131606069/5341401.pdf
- http://files.athenianmuse.com/uploads/1/3/1/4/131454143/0c126f.pdf
- https://cdn.shopify.com/s/files/1/0429/4246/4166/files/mulexivila.pdf
- https://cdn.shopify.com/s/files/1/0432/4186/5384/files/26573657342.pdf
- https://cdn.shopify.com/s/files/1/0434/8562/6520/files/19747775504.pdf
- https://cdn.shopify.com/s/files/1/0433/3626/9983/files/cateterismo_vesical_de_demora.pdf
- https://cdn.shopify.com/s/files/1/0430/5892/1621/files/c_boost_graph_library.pdf
- https://cdn.shopify.com/s/files/1/0434/1461/8262/files/newapew.pdf
- https://cdn.shopify.com/s/files/1/0430/2897/1681/files/7154318695.pdf
- https://cdn.shopify.com/s/files/1/0430/7763/2154/files/xivujufutoj.pdf
- https://cdn.shopify.com/s/files/1/0437/5393/0904/files/safaziruxanagem.pdf
- https://cdn.shopify.com/s/files/1/0430/2798/8634/files/numon.pdf
- https://cdn.shopify.com/s/files/1/0429/1179/3315/files/20235358327.pdf
- https://cdn.shopify.com/s/files/1/0429/2358/9791/files/84570892498.pdf
- https://cdn.shopify.com/s/files/1/0432/3000/3367/files/cisco_lab_book_answers.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_off000066d1.bin` `14669e87c9ae2fd262441914c2cbe4a3b1eb448e1fbacdfbcde9f6175333348a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66D1	5404 bytes
`font_01_sfnt_off00007953.bin` `93ca3026837990f42b68c4bbb17b02cad607c3fa8573319b9de50b1e3f7e6b29`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7953	10060 bytes

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