PDF malware analysis — malicious · 362968fd8f9fff70

MALICIOUS

PDF

47.4 KB Created: 2020-08-12 14:32:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8db7d5b29f439d2f905e09304d9de12a SHA-1: dec696afd3475e5f46fa87313e276ac0489c7c0e SHA-256: 362968fd8f9fff70b741a44a497b322ad946b6a9904a6def50cf967c99ce6f1a

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 suspicious or unknown domains, indicating a link farm or redirection attempt. One critical heuristic identified a link to a known malicious redirector infrastructure. The document body itself is heavily obfuscated and appears to be generated content, further supporting the malicious intent of directing users to external, potentially harmful, sites.

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.com/pify?keyword=auxiliary+view+in+engineering+drawing+pdf
- http://kidawo.fefesdesign.com/uploads/1/3/2/7/132740353/salivilelifotibe.pdf
- http://kovudu.vocabularyninja.co.uk/uploads/1/3/1/0/131070786/vebewadezotizad.pdf
- http://files.proficiencyfirst.com/uploads/1/3/1/4/131437633/3860664.pdf
- http://kovom.starzplace.com/uploads/1/3/1/3/131380600/xutovip.pdf
- https://cdn.shopify.com/s/files/1/0431/2026/3322/files/fuvosetigufi.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/watino.pdf
- https://cdn.shopify.com/s/files/1/0439/3605/5454/files/coa_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0439/3625/2072/files/lord_of_the_flies_symbolism_essay.pdf
- https://cdn.shopify.com/s/files/1/0438/6160/6550/files/medical_certificate_format_for_sick_leave_for_student.pdf
- https://cdn.shopify.com/s/files/1/0433/0881/0398/files/20511805768.pdf
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/vudegedezubodurujuwefomir.pdf
- https://cdn.shopify.com/s/files/1/0434/5715/1142/files/complete_bass_guitar_lessons.pdf
- https://cdn.shopify.com/s/files/1/0432/2181/1364/files/where_s_my_money_brian.pdf
- https://cdn.shopify.com/s/files/1/0432/8344/7968/files/nawujigo.pdf
- https://cdn.shopify.com/s/files/1/0431/3759/7591/files/87146893825.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_off00006e40.bin` `aaf41190e78925d40105ac7f02c5364c16082d8422d742e35c028900d3f06f24`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E40	5036 bytes
`font_01_sfnt_off00007f7e.bin` `659be6b486fc8e98fee4d90c2a0df9ae4113df4cbc01d565c6f98005c5bbe32d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F7E	10080 bytes
`font_02_sfnt_off0000a1f8.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA1F8	4324 bytes

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