PDF malware analysis — malicious · 8af946cd989c12e3

MALICIOUS

PDF

50.2 KB Created: 2020-08-22 12:42:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 43d6844583b340cfd477719ce957e1f0 SHA-1: 89092050cd1aea2e34262b597c2d0827f5566b31 SHA-256: 8af946cd989c12e3fdd7a3a4880e1688b7fafacad221e39beb8abba3f57805fc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic identified a direct link to a known malicious redirector at https://ttraff.ru/pify?keyword=pip+camera+photo+effect. This suggests the document is designed to lure users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted from this sample.

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=pip+camera+photo+effect
- http://files.cppbap.org/uploads/1/3/0/7/130738562/zikir.pdf
- http://mixuv.firstwavecharters.com/uploads/1/3/1/4/131409090/nanufirevefidosedufu.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2454/files/batopulopotabimixo.pdf
- https://cdn.shopify.com/s/files/1/0429/7146/3831/files/doruxikipazosetosulido.pdf
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/sewing_machine_parts_crossword_puzzle_answers.pdf
- https://cdn.shopify.com/s/files/1/0434/0976/8600/files/79819511285.pdf
- https://cdn.shopify.com/s/files/1/0432/6660/5219/files/zanelebeka.pdf
- https://cdn.shopify.com/s/files/1/0435/6613/7507/files/doger.pdf
- https://cdn.shopify.com/s/files/1/0429/7188/9817/files/nisuwumeju.pdf
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/51457155247.pdf
- https://cdn.shopify.com/s/files/1/0431/1102/2756/files/27796364937.pdf
- https://cdn.shopify.com/s/files/1/0427/4854/3142/files/59950584555.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3901/files/matias_ergo_pro.pdf
- https://cdn.shopify.com/s/files/1/0430/7927/0554/files/11775157202.pdf
- https://cdn.shopify.com/s/files/1/0429/5986/3961/files/reeds_naval_architecture_for_marine_engineers.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006531.bin` `6f6c5a8fb5e62cfd2b6ff76f758e0f05a98695d5bac735cd019a42cb5e5649ba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6531	2952 bytes
`font_01_sfnt_off00006fbe.bin` `9fe0d85adec5801eedc984986e0c1aa0ce8daffb2e2dca3c47f923516c183464`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FBE	5044 bytes
`font_02_sfnt_off000080c0.bin` `f6b5a9506e620a37fd527a76585d76398c20474e1cbfe769bdffe96f74ad08b3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x80C0	10836 bytes
`font_03_sfnt_off0000a5f1.bin` `837d53279444546af5e72eb575060f9b7bccd83e83f46679d212f7bd99654a1f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA5F1	16204 bytes

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