PDF malware analysis — malicious · df40caa4402c3a1f

MALICIOUS

PDF

48.1 KB Created: 2020-04-11 06:06:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: db9f217bac86a5d20ca2add3d990826e SHA-1: e3a73bf2e4adb43556d0f13705f41e57ba1d2310 SHA-256: df40caa4402c3a1f8cecacc709dd0fef50979a59b946cd6794e7fec1ac71c875

70 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, many of which point to other PDF files hosted on various domains. This pattern is indicative of a link farm or SEO poisoning technique, designed to drive traffic to potentially malicious content. The presence of a 'download button' heuristic further supports the idea that the document is intended to trick users into clicking links. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine the exact nature of the linked content.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://www.peakathleticsystems.com/uploads/1/3/0/8/130873947/130873947.html#baahubali+tamil+full+movie+1080p+dow
- http://frfconsulting.net/uploads/1/3/0/6/130604815/nutexipuzidenab_vikugadi_zobadabi_wodetuzuroladov.pdf
- http://appliedchiropracticoftroy.com/uploads/1/3/1/1/131164387/37ba7c588d9b64.pdf
- http://youngmonomaniacs.com/uploads/1/3/0/7/130740124/titezumepuk.pdf
- http://gotoursandholiday.com/uploads/1/3/0/8/130873895/9681186.pdf
- http://woodhavenlane.com/uploads/1/3/1/4/131453753/dd4e376dc.pdf
- http://lindadunlap.com/uploads/1/3/1/0/131070982/9e809.pdf
- http://mpmultiservizi.it/uploads/1/3/0/6/130604258/b520b9951ef5a9.pdf
- http://growingdreamspropertysolution.org/uploads/1/3/1/4/131453170/2512916.pdf
- http://birminghamburger.com/uploads/1/3/0/5/130588205/fawujowikagi.pdf
- http://wssolucoes.org/uploads/1/3/0/2/130289433/sikemotuzeku.pdf
- http://agcmart.com/uploads/1/3/0/7/130739830/9ecf3224.pdf
- http://seanmarbaugh.com/uploads/1/3/0/2/130270748/mepurulad.pdf
- http://cookepainting.com/uploads/1/3/1/4/131452987/12698fd100fc91.pdf
- http://bsmithcontracting.com/uploads/1/3/0/2/130271081/86703b0.pdf
- http://agnesscottclassof1965.com/uploads/1/3/0/9/130969045/zukafan.pdf
- http://wssolucoes.org/upload
- 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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006527.bin` `9e49860a6d436c75d0475053eb28acbdf91e486f0e6ac9a67bfec2feeaed0dfa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6527	8688 bytes
`font_01_sfnt_off00007c49.bin` `67eb807bed3580c97c74cbd9f41ed602c203feefe3178375c575f11d9d958ba1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C49	8264 bytes
`font_02_sfnt_off00009c74.bin` `cdd54ff312d07e748630af530be3e62c902f1ad3ca93ef2489511aa1e9630a20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C74	16524 bytes

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