PDF malware analysis — malicious · bab3f312a45672ac

MALICIOUS

PDF

64.4 KB Created: 2020-08-04 06:44:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8e0e931f19b590e9495c8465c97e1558 SHA-1: d4153d955c9036826307dd922b1e23fbc9cb69fd SHA-256: bab3f312a45672ac8fddcd0108a7fbbd0fbf7dd526a4dceb100e830e8d34781e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=reprendre+confiance+en+soi+livre+pdf. The document body, though heavily obfuscated, contains this URL, suggesting a lure to download a PDF. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, further supporting the redirection-based attack pattern.

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=reprendre+confiance+en+soi+livre+pdf
- http://files.martinsburgflipside.com/uploads/1/3/0/8/130874431/koxafelikiz.pdf
- http://files.asbwellness.com/uploads/1/3/0/7/130776592/xomug-tugofulawan-wugifineluwajun.pdf
- http://files.patriciasmom.com/uploads/1/3/1/4/131438248/gesariri.pdf
- http://files.flipconsultants.com/uploads/1/3/0/8/130874347/zigunodegolidota.pdf
- http://files.martinsburgflipside.com/uploads/1/3/0/8/1308
- https://cdn.shopify.com/s/files/1/0434/7366/6213/files/60219691519.pdf
- https://cdn.shopify.com/s/files/1/0430/3929/3593/files/dinikok.pdf
- https://cdn.shopify.com/s/files/1/0429/3568/1180/files/tevuf.pdf
- https://cdn.shopify.com/s/files/1/0427/7354/5116/files/dejekerifotuwome.pdf
- https://cdn.shopify.com/s/files/1/0434/0505/0021/files/83295800464.pdf
- https://cdn.shopify.com/s/files/1/0433/4151/2855/files/14731160199.pdf
- https://cdn.shopify.com/s/files/1/0432/3246/0960/files/91711258754.pdf
- https://cdn.shopify.com/s/files/1/0436/2623/4009/files/31340185695.pdf
- https://cdn.shopify.com/s/files/1/0431/3271/5163/files/90676906667.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5494/files/pimategefujozezadad.pdf
- https://cdn.shopify.com/s/files/1/0433/6464/7077/files/27149919748.pdf
- https://cdn.shopify.com/s/files/1/0436/1686/2371/files/fidubomefudujamofijuzaku.pdf
- https://cdn.shopify.com/s/files/1/0436/0772/0094/files/69708190132.pdf
- https://cdn.shopify.com/s/files/1/0438/0947/2669/files/7735878420.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_off0000bb34.bin` `0ddbf895e9fe4eb3ed975fe5fd77bfba7a42af8642443ccde08176034d8bf53f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBB34	5216 bytes
`font_01_sfnt_off0000cd0e.bin` `bb060a21cba613f4e449b222b545851ae7ca0a2fa1c4f4cb4cdcec1cd117c207`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD0E	12252 bytes

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