PDF malware analysis — malicious · 24b1b1f7c4680675

MALICIOUS

PDF

48.9 KB Created: 2020-08-08 07:34:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 43ff6242e3713d485fb691d617a41f96 SHA-1: 72da98132696029b29d60df6810ee501ea5d7d6b SHA-256: 24b1b1f7c46806752674608f5fe9979a4a61e24287ca9b25785c1436c13a0222

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with one heuristic specifically identifying a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'keto meal plan pdf' and the malicious URL, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content.

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=jrf+keto+meal+plan+pdf
- http://kiboxotel.nicholasadamswrites.com/uploads/1/3/1/6/131637881/nefamuneweju.pdf
- http://files.deeprootscider.com/uploads/1/3/2/6/132681772/vuxarokurebesuxupe.pdf
- http://mivepusij.lennysimagination.com/uploads/1/3/1/4/131406082/bizuwidol.pdf
- http://files.lasclasesdesenorag.com/uploads/1/3/2/3/132303082/pikabixawupopik.pdf
- https://cdn.shopify.com/s/files/1/0440/8141/4296/files/45713845554.pdf
- https://cdn.shopify.com/s/files/1/0440/1430/5430/files/wumesolobobizuka.pdf
- https://cdn.shopify.com/s/files/1/0438/2690/5245/files/rexipexenagupapavu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdf
- https://cdn.shopify.com/s/files/1/0428/4756/8039/files/wusezesomexajafukozov.pdf
- https://cdn.shopify.com/s/files/1/0432/0080/7074/files/zawaxoxusa.pdf
- https://cdn.shopify.com/s/files/1/0433/9338/4599/files/foweredod.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/faramerujinusopuko.pdf
- https://cdn.shopify.com/s/files/1/0432/5235/1144/files/rugisavazusezuvi.pdf
- https://cdn.shopify.com/s/files/1/0431/6535/2093/files/24298575774.pdf
- https://cdn.shopify.com/s/files/1/0437/1025/1176/files/vebajawaluruz.pdf
- https://cdn.shopify.com/s/files/1/0437/2388/2664/files/walaponorinofo.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3032/files/bejosonopaxi.pdf
- https://cdn.shopify.com/s/files/1/0443/8127/4278/files/berserk_2017_episode_6.pdf
- https://cdn.shopify.com/s/files/1/0430/7809/0901/files/jakukevari.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_off00008129.bin` `951fe06f2c5deb1edb4354dad8187715f76bf0a0e8441530105700b6b4f886f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8129	5064 bytes
`font_01_sfnt_off00009251.bin` `6e358a1f1283ace2385f40200f785da8c0b86f54928ed2346a62ef8d5ed7e589`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9251	10524 bytes

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