PDF malware analysis — malicious · 908247619c5b7eb7

MALICIOUS

PDF

54.3 KB Created: 2020-05-05 01:21:07 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 8d651206ab47b86cdcb89f6869e3f95b SHA-1: 81bed40430147da8b61c6d718ead36fdb9806e93 SHA-256: 908247619c5b7eb7aafe4557adcf04a238c782a14903ea10f2f097b1c73b7242

90 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a mass external link farm, with multiple URLs pointing to seemingly unrelated domains. The document body, though partially corrupted, contains elements suggesting urgency ('account will be terminated', 'action required within 24 hours') and a callback lure ('call a phone number'). The primary heuristic indicates a link farm designed to host numerous PDF files, likely for SEO poisoning or to distribute malicious content. The presence of multiple external URIs suggests the document's main purpose is to redirect the user to a malicious site.

Heuristics 5

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
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
External URI info PDF_URI

PDF contains an external URL action
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 http://sfbaytherapist.com/uploads/1/3/1/8/131856382/131856382.html#windows+10+enterprise+e5
- http://ingascustomcookies.com/uploads/1/3/1/4/131454522/8674744.pdf
- http://milkandhoney.care/uploads/1/3/1/3/131383998/8382896.pdf
- http://oikosfamilycentres.com/uploads/1/3/0/6/130620677/127d62a921b4b8.pdf
- http://royalflorals.com/uploads/1/3/1/4/131408917/2607593.pdf
- http://maya-lava-java.net/uploads/1/3/0/9/130968962/bopewazad.pdf
- http://fatuglybaby.com/uploads/1/3/0/3/130313741/lodalologelas-nifuf-joruxujivuvo-pebasonoponoxeb.pdf
- http://pipyritinsure.com/uploads/1/3/0/6/130640183/fufuzofuvabezu.pdf
- http://realestatecanopy.com/uploads/1/3/0/5/130588787/dexebatuk-zuxamepogon.pdf
- http://progressivelies.com/uploads/1/3/1/0/131070506/fexisuselafukipiz.pdf
- http://schaubsocial.com/uploads/1/3/0/5/130551621/fodavole-wuberisov.pdf
- http://howwelive.de/uploads/1/3/1/8/131856029/zofuba.pdf
- http://slharvestclassic.com/uploads/1/3/0/4/130488395/13ddc3f.pdf
- http://yockerz.com/uploads/1/3/0/6/130605168/5356623.pdf
- http://sbingman.com/uploads/1/3/0/9/130969414/0ebf160.pdf
- http://milkandhoney.care/uploads/1/3/1/3/1313839
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- 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_off00009293.bin` `0c5adeb63b2c258f7d2aac8a2866e277b7f2484b45a71d5f1328961b173433ca`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9293	10896 bytes
`font_01_sfnt_off0000b81f.bin` `3f83bbfb2e03141a9083badfb1da6e2b1773f9aa6b1ed8f30fc2d392a5ee3553`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB81F	16140 bytes

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