PDF malware analysis — malicious · ea105c0d971c6a25

MALICIOUS

PDF

49.4 KB Created: 2020-08-03 01:07:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 051a7e283fc36030d1779f60507c21ef SHA-1: 5b390ca796167559a01a23382290d773a934e8c6 SHA-256: ea105c0d971c6a2564bfa83f6ca2107a118ca7e579f2b0fabef212597cc55504

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains numerous links, including a critical redirector link to 'ttraff.cc', disguised as a repair manual. This suggests a lure to drive traffic to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the primary attack vector appears to be the malicious redirection.

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=2003+honda+element+repair+manual+pdf
- http://files.thetorrancecarpetcleaners.com/uploads/1/3/1/3/131381605/6defc5.pdf
- http://files.copperchiefstore.com/uploads/1/3/0/8/130815014/7798345.pdf
- http://files.rbfk.net/uploads/1/3/1/3/131379894/144820.pdf
- http://files.dulceglamour.com/uploads/1/3/1/4/131453456/5097647.pdf
- http://files.nphsjrwolfpack.com/uploads/1/3/1/4/131483253/pageponiputi_gosalobire_vopepas_fatibo.pdf
- https://cdn.shopify.com/s/files/1/0430/7730/4484/files/gemivu.pdf
- https://cdn.shopify.com/s/files/1/0431/3153/5524/files/36726711640.pdf
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/javevorexililuru.pdf
- https://cdn.shopify.com/s/files/1/0432/6916/1110/files/57924702775.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/jopepoxomakosafo.pdf
- https://cdn.shopify.com/s/files/1/0431/9775/9652/files/megagupuvawavolu.pdf
- https://cdn.shopify.com/s/files/1/0429/9695/7343/files/10627823858.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/10809735118.pdf
- https://cdn.shopify.com/s/files/1/0435/8298/0259/files/tudosuti.pdf
- https://cdn.shopify.com/s/files/1/0435/2226/1143/files/tonarepaxeziwij.pdf
- https://cdn.shopify.com/s/files/1/0437/5832/1821/files/28704403314.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1741554469.pdf
- https://cdn.shopify.com/s/files/1/0440/0214/8510/files/sims_4_hentai.pdf
- https://cdn.shopify.com/s/files/1/0430/8641/3985/files/18333462570.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_off0000813f.bin` `92cbf85ab201c91ee22b14559f7aaf4e6258e29835aea302525b38eed7182aed`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x813F	5448 bytes
`font_01_sfnt_off00009396.bin` `b0a922de284dfb668cac0436574983dd5f95bcc853e43b415497571389d7ad13`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9396	11000 bytes

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