PDF malware analysis — malicious · 4b08419468ccd809

MALICIOUS

PDF

49.0 KB Created: 2020-05-13 05:39:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 7a3a452ea4a47e84bc1a6b6d8d0dd516 SHA-1: fe4234cf635c5eba394127e5ef9a8ce5e10eff4f SHA-256: 4b08419468ccd8097f5f63aa24ecd1bb536c0f1813e75dfbbf86123971b86816

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, indicating a link farm or redirection scheme. The heuristic PDF_SEO_LINK_FARM firing suggests this is a common tactic for SEO manipulation or to distribute malicious content. The embedded URLs point to various domains, all structured similarly, suggesting a coordinated effort. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Heuristics 3

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.
External URI info PDF_URI

PDF contains an external URL action
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 http://joyofphysics.com/uploads/1/3/0/6/130640021/130640021.html#face+sheet+mask+korean
- http://thethorns.news/uploads/1/3/0/6/130605203/giluwupatazi.pdf
- http://peterbaugh.com/uploads/1/3/0/3/130324203/17ecac.pdf
- http://vanessa-desmarthon.fr/uploads/1/3/0/5/130590507/7499290.pdf
- http://phileincofil.com/uploads/1/3/0/6/130639116/f4ec0b74d0.pdf
- http://learmont.ca/uploads/1/3/1/4/131406456/884cc3698d6368.pdf
- http://vivaceimages.com/uploads/1/3/0/3/130323130/574075.pdf
- http://fasttraxxx.com/uploads/1/3/0/4/130483833/jufuj.pdf
- http://gringostacostand.com/uploads/1/3/0/6/130620544/bejosogir_febelanoz_dowenesilinefo.pdf
- http://hueboutique.shop/uploads/1/3/0/6/130640067/tazotumafe-wunadamivawozeb-navuludewupovu-dulogijegevijo.pdf
- http://mayfabindustrial.com/uploads/1/3/0/6/130620820/sifapawudaki_laduredanulu.pdf
- http://deweydaycamp.com/uploads/1/3/0/2/130271177/8147430.pdf
- http://shadefoot.com/uploads/1/3/0/6/130603859/zawavibu.pdf
- http://juliebakley.com/uploads/1/3/0/7/130775258/04f9cf951b7c.pdf
- http://wendykuiper.nl/uploads/1/3/0/6/130620240/6808972.pdf
- http://christinapalladino.com/uploads/1/3/0/6/130639777/zonovedubuv.pdf
- http://cruxgroup.org/uploads/1/3/1/8/131871883/nubeb.pdf
- http://mobislittrich.com/uploads/1/3/1/4/131453269/0813944b299e9a.pdf
- http://madsvig.net/uploads/1/3/1/4/131453215/1451681.pdf
- http://makeupbymemz.com/uploads/1/3/1/4/131438747/vajufabifesusopeguw.pdf
- http://bristol-accommodation.net/uploads/1/3/0/7/130740349/6537331.pdf
- http://migrationcelebration.com/uploads/1/3/1/6/131606165/lojob.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_off00006f35.bin` `fa72874b8c381873b432d3b5cea9ecddba20f04e8e1c9face7d560df1136061a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F35	6588 bytes
`font_01_sfnt_off00007faa.bin` `7c662de6ac123146440f546387a8029948de8bb30967314996a600404d756381`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FAA	10192 bytes
`font_02_sfnt_off0000a2bb.bin` `0fe8aa14d08365d6f8b61b1bc8ff310bb462f18a21f3c7286266bd86e60ec020`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA2BB	16036 bytes

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