PDF malware analysis — malicious · 8abbcaae9f196576

MALICIOUS

PDF

45.0 KB Created: 2020-08-11 23:46:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a1d6e9580a584f25423c60a3523110db SHA-1: 3d50fac401104ad1f7545dcd6049ec43fd335b36 SHA-256: 8abbcaae9f1965769d6632abf4c039148f524bb4cbccd361381066245d06aa9c

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains numerous links, including a critical redirector link to 'https://ttraff.ru/pify?keyword=chiang+mai+attraction+map+pdf'. This indicates the document is designed to lead users to malicious infrastructure. The presence of a link farm further supports the malicious intent, likely for SEO poisoning or traffic generation to malicious sites. 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.ru/pify?keyword=chiang+mai+attraction+map+pdf
- http://files.mifflinfootballgolftournament.com/uploads/1/3/1/4/131482958/9041386.pdf
- http://files.lawrencemjackson.com/uploads/1/3/1/4/131482884/09461a.pdf
- http://files.beautytherapyandnailcare.com/uploads/1/3/1/4/131438474/lepegokidufim.pdf
- http://files.gonewiththewindgoats.com/uploads/1/3/0/9/130969545/1dc6f46c0e4.pdf
- https://cdn.shopify.com/s/files/1/0434/4512/5281/files/45727745479.pdf
- https://cdn.shopify.com/s/files/1/0435/1026/8068/files/79848013634.pdf
- https://cdn.shopify.com/s/files/1/0440/6195/0117/files/fefejasomukidafirifizite.pdf
- https://cdn.shopify.com/s/files/1/0432/9039/4788/files/soal_ukg_biologi_sma.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/85520221603.pdf
- https://cdn.shopify.com/s/files/1/0437/6369/5770/files/api_testing_postman.pdf
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/38894072213.pdf
- https://cdn.shopify.com/s/files/1/0431/1390/6327/files/59403072384.pdf
- https://cdn.shopify.com/s/files/1/0434/5495/5672/files/robitisibilesesuwofosotu.pdf
- https://cdn.shopify.com/s/files/1/0433/8574/9665/files/25864945495.pdf
- https://cdn.shopify.com/s/files/1/0434/4738/6264/files/suxemojutiguwop.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/ferakajewomunivizilebet.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005f49.bin` `49aff8a8ec98dbfd50b430c08c14586dd788dcf94b762bbecdfa988844154ed0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F49	5052 bytes
`font_01_sfnt_off00007040.bin` `37803fc1e1e1a93ba4d2628c9e43c8b9b8791cdf6b05dad305684aa424ed2841`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7040	12828 bytes
`font_02_sfnt_off000098cb.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x98CB	4324 bytes

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