PDF malware analysis — malicious · 9346861a27a1cfe7

MALICIOUS

PDF

46.9 KB Created: 2020-08-14 06:05:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bba0323d950e417a8156a6407ec2e56e SHA-1: a762736202f99c09f0f7d56db3d43e534c451fe6 SHA-256: 9346861a27a1cfe7b85b6e456a49a49466d5a010c4fc01c54900db612522d475

150 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 'https://ttraff.cc/pify?keyword=l%2527+anatomie+de+la+femme+pdf'. This indicates the document is designed to redirect users to potentially harmful content. The presence of a large number of external PDF links, many hosted on potentially suspicious domains, further supports a link farm or redirection attack. No scripts were extracted from this sample.

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=l%2527+anatomie+de+la+femme+pdf
- http://wexasumo.redwordediting.com/uploads/1/3/0/8/130814328/c70ada79a6.pdf
- http://files.tanbronzebay.com/uploads/1/3/1/4/131453177/savamekezu.pdf
- http://romaneluj.urconqueror.co.uk/uploads/1/3/0/8/130874038/a11beb0.pdf
- http://foliziku.usscreenprintingandsigns.com/uploads/1/3/1/6/131606490/5e0e40b.pdf
- http://files.spectrabuildingdesigners.com/uploads/1/3/1/4/131411688/70f02f93fdbc96.pdf
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/92994785927.pdf
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/lunafaverorabux.pdf
- https://cdn.shopify.com/s/files/1/0432/6824/3614/files/35704782349.pdf
- https://cdn.shopify.com/s/files/1/0432/3944/0543/files/32560738689.pdf
- https://cdn.shopify.com/s/files/1/0429/9446/6969/files/csr_racing_2_hack_apk.pdf
- https://cdn.shopify.com/s/files/1/0428/3269/1363/files/bexafadezodoxobif.pdf
- https://cdn.shopify.com/s/files/1/0437/2014/7095/files/ubuntu_mount_smb.pdf
- https://cdn.shopify.com/s/files/1/0432/9514/6139/files/zijimoduvodamuposukeze.pdf
- https://cdn.shopify.com/s/files/1/0429/8443/9971/files/43754161659.pdf
- https://cdn.shopify.com/s/files/1/0432/8374/2884/files/85019693482.pdf
- https://cdn.shopify.com/s/files/1/0454/2785/1422/files/6205846389.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8182/files/19714939726.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_off000075c9.bin` `0e098471ff008590696ea7857570b2ce02420aa62a2eb95a3540b8ae4749ebf2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x75C9	4888 bytes
`font_01_sfnt_off00008660.bin` `1c81c1fbdeb207789c5aefe78d088031f9ae92e4b511d87b0bff743f022f2a48`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8660	12216 bytes

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