PDF malware analysis — malicious · bb068335e523230e

MALICIOUS

PDF

39.7 KB Created: 2020-07-27 11:11:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ba1f623bf5d2e77a6f7aa0c49665f244 SHA-1: 6be17503cc2bec19e2002a50f36c0a6a192a081e SHA-256: bb068335e523230e61d3adce8a33766e2d28b07108e8d8f461a61a20246acc92

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text fragments suggesting a lure for a movie download. The presence of a link farm further indicates an attempt to drive traffic to potentially malicious sites.

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.com/pify?keyword=aparichit+full+movie++720p
- http://files.skinandbodytherapy.com/uploads/1/3/1/4/131407047/konezoxaxotafulew.pdf
- http://files.mljanderson.org/uploads/1/3/1/8/131857038/dafuxodekeb-newafaneba-fuwuxoxig.pdf
- http://files.unboundenvy.com/uploads/1/3/0/7/130739951/4174493.pdf
- http://files.healing-ginger.com/uploads/1/3/2/8/132815008/8127391.pdf
- http://files.stantonmathclass.com/uploads/1/3/2/6/132682167/9122586.pdf
- https://cdn.shopify.c
- https://cdn.shopify.com/s/files/1/0432/1509/3920/files/rirejilevo.pdf
- https://cdn.shopify.com/s/files/1/0431/5529/2321/files/lafajitesow.pdf
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/fakonugupajiwadixulugon.pdf
- https://cdn.shopify.com/s/files/1/0438/0455/7472/files/vatemedodobafufil.pdf
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/33306634711.pdf
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/83808639424.pdf
- https://cdn.shopify.com/s/files/1/0432/9350/7739/files/buxutazej.pdf
- https://cdn.shopify.com/s/files/1/0433/6759/6184/files/xazodovawifiwowa.pdf
- https://cdn.shopify.com/s/files/1/0432/5641/4363/files/fabufopu.pdf
- https://cdn.shopify.com/s/files/1/0433/1690/4104/files/78850354420.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekerumukin.pdf
- https://cdn.shopify.com/s/files/1/0439/4647/5675/files/wuwigemaxoronit.pdf
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/30875048597.pdf
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/sixosevixige.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_off00005d4a.bin` `6a155c532ac87222041883a3b5f1b029d9526b51b691d6a2439d02aa55d773a9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D4A	5256 bytes
`font_01_sfnt_off00006f3b.bin` `1bf4c732adfd811621f0cada0f2730382d1b7e093367c5cfebe42e12d24cb6f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F3B	10080 bytes

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