PDF malware analysis — malicious · a54a2b93a68721b3

MALICIOUS

PDF

50.6 KB Created: 2020-08-25 15:52:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9b47ac8189e521cbc725da560c21bde2 SHA-1: 0d38ee7bfb8e1cb5125622de0cdb763474331eb1 SHA-256: a54a2b93a68721b3aea72ee9f72613dbfd9dcff729acadfd6fea7f53275b697e

140 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a lure related to a 'discrepancy report format' and embeds multiple links. One critical heuristic indicates a malicious redirector link to 'https://ttraff.cc/pify?keyword=discrepancy+report+format', which is a primary indicator of malicious intent. The document body, though heavily corrupted, contains this URL and other PDF links hosted on Shopify, suggesting a link farm or redirection strategy. The presence of a callback lure heuristic further supports a phishing or scam 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.
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=discrepancy+report+format
- http://kagaje.tourdetech.net/uploads/1/3/1/6/131606490/3805399.pdf
- https://cdn.shopify.com/s/files/1/0440/7066/6392/files/33803074426.pdf
- https://cdn.shopify.com/s/files/1/0438/4194/5760/files/61805561649.pdf
- https://cdn.shopify.com/s/files/1/0432/1096/5147/files/rerod.pdf
- https://cdn.shopify.com/s/files/1/0432/6352/5026/files/sijofelizovopuxoxuzezexu.pdf
- https://cdn.shopify.com/s/files/1/0433/8640/5022/files/46140448025.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jokopewizemaw.pdf
- https://cdn.shopify.com/s/files/1/0430/5597/2506/files/sazagutawenaletopulizom.pdf
- https://cdn.shopify.com/s/files/1/0431/8589/7627/files/vk_publications_accountancy_class_12_solutions.pdf
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/kuxafetamudugikapoporiwal.pdf
- https://cdn.shopify.com/s/files/1/0435/1016/9759/files/weslo_cadence_g_5._9_treadmill_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/9775/9652/files/tiwojixipasapiz.pdf
- https://cdn.shopify.com/s/files/1/0430/9381/9541/files/microsoft_sql_server_developer.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_off0000865e.bin` `96330fd116775d9cd771754a36d5a1f3242a1fd007337ccc45081d9d75c8a670`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x865E	5232 bytes
`font_01_sfnt_off00009818.bin` `7f89bea2a1995e4e4deab2f7b58a37551a527c4eaab315166e958eaf65e1df9c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9818	11088 bytes

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