PDF malware analysis — malicious · ba58d4782219e69b

MALICIOUS

PDF

43.1 KB Created: 2020-07-10 12:28:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: baeacd02a9507a04e5174ae866bcdcab SHA-1: e78dcef8b2f259d9d9baf637cb5f939ec23fcfb2 SHA-256: ba58d4782219e69b5247b8407b67fd0ffc097573b5ff024539e5faec2d76e0b6

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious URL identified is https://ttraff.cc/wb?keyword=foxit%20pdf%20apkmirror, which likely serves as a gateway to further malicious content. The document body, though heavily obfuscated, also contains many of these URLs, reinforcing the lure mechanism. The presence of a large number of external PDF links suggests a strategy to distribute malicious content across various hosting platforms.

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/wb?keyword=foxit%20pdf%20apkmirror
- http://files.tac-teams.com/uploads/1/3/0/7/130740433/belaxusawunu.pdf
- http://files.bearcatwrestlingclub.com/uploads/1/3/1/8/131856844/3256546.pdf
- http://files.cascadiamotion.com/uploads/1/3/1/4/131453045/1239c31c87b.pdf
- http://files.montealea.org/uploads/1/3/1/6/131637763/fuzivomabetunewuxof.pdf
- http://files.thesoapshepherd.com/uploads/1/3/1/4/131453526/9efdc03d.pdf
- http://files.hollenhundshepherds.com/uploads/1/3/0/8/130874339/mawegiwijusij.pdf
- http://files.sustainabilityiscool.com/uploads/1/3/0/7/130739891/a856abfa.pdf
- http://files.aquastretchcanada.com/uploads/1/3/1/3/131383977/jaleputof.pdf
- https://wefapepopez.files.wordpress.com/2020/07/54838790642.pdf
- https://zajatopafi.files.wordpress.com/2020/06/jabisifupuxon.pdf
- https://legeliwabuki.files.wordpress.com/2020/07/73862320969.pdf
- https://panamekeze.files.wordpress.com/2020/06/93144285882.pdf
- https://jutufunenuk.files.wordpress.com/2020/06/wepawis.pdf
- https://panezurazid.files.wordpress.com/2020/06/belesiv.pdf
- https://jisabiwofif966812601.files.wordpress.com/2020/06/26180039046.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78046530146.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wijabogose.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lezoxaxus.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_off00006bd2.bin` `c46b1aef22799cac1cdaa3b81a039c2e959777707b9944b65214db0f88e3c6ad`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BD2	4628 bytes
`font_01_sfnt_off00007b94.bin` `e076b4dfa3b77dd3e490f10dd29c9f950442a2c19fa92b1ad004426f26b6484d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B94	10424 bytes

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