PDF malware analysis — malicious · 808679c95b46f135

MALICIOUS

PDF

44.3 KB Authoring application: LibreOffice

MD5: fa4287033ede9f8e1361c3bd5e328c92 SHA-1: 8eff60e4eb33fdb72e5a52faaf9a5432d141b8ff SHA-256: 808679c95b46f135df744ad55bf36ff232662bb1c1f94bb6abe90d05c28138f8

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall, and a machine learning classifier also flagged it as malicious. The embedded links likely serve as a distribution mechanism, potentially leading to further compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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.
ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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://swimleftlabs.com/uploads/1/3/0/7/130775320/7b809f5d.pdf
- http://allaccessbuildingservices.com/uploads/1/3/0/6/130640159/3829886.pdf
- http://oregonnw.net/uploads/1/3/0/6/130605190/9563174.pdf
- http://delicacybrigadeiroscraft.com/uploads/1/3/0/4/130489446/292177.pdf
- http://hobohandyman.com/uploads/1/3/0/4/130436162/3296653.pdf
- http://hostmaster.tasaheel.com/uploads/1/3/0/8/130813765/jewasojuviladev_xivivafufexo.pdf
- http://utahdivorceconsulting.com/uploads/1/3/0/8/130815381/b4838188aab68.pdf
- http://blackwinghunting.com/uploads/1/3/0/6/130604579/3095655.pdf
- http://providencecard.com/uploads/1/3/0/7/130776132/5170198.pdf
- http://reicoinvestment.com/uploads/1/3/0/3/130323675/5d0f470fb.pdf
- http://provisionmediausa.com/uploads/1/3/0/5/130589137/dubigiw-maxovobilepezav.pdf
- http://massagesearchmarketing.com/uploads/1/3/0/8/130874164/9473159.pdf
- http://anuqa.net/uploads/1/3/0/4/130490609/5753308.pdf
- http://bcdcosmetics.com/uploads/1/3/0/6/130620561/537433.pdf
- http://nextgenadvancedsupplements.com/uploads/1/3/0/6/130639272/setofetevu-narediwopenesuv-wepibul.pdf
- http://mydispatchers.com/uploads/1/3/0/5/130589163/409000.pdf
- http://desatascossantcugat.com/uploads/1/3/0/7/130739488/bagusodadeniguxonuki.pdf
- http://drberrycounseling.com/uploads/1/3/0/6/130604844/bupokovesazegos.pdf
- http://littlehimsandhers.com/uploads/1/3/0/2/130287221/bekegoko.pdf
- http://pavanmehat.com/uploads/1/3/0/5/130551898/c22462babea.pdf
- http://neworleansgainswave.org/uploads/1/3/0/2/130289295/3070864.pdf
- http://stillmont.com/uploads/1/3/0/5/130551282/8380621.pdf
- http://stephaniebright.net/uploads/1/3/0/6/130605314/f0347e.pdf
- http://s56ri.bpmtc.com/uploads/1/3/0/5/130541677/130541677.html#diagnostico+accidente+cerebrovascular+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000040a9.bin` `530ba9cfccd072f2f1f4b2e084112b694e441507cf8b2f21dd5094a01ff4b22b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x40A9	8772 bytes
`font_01_sfnt_off00005ccf.bin` `7863b829de04ea8b7f5be4d5dae43fa62182e7611f0c3a300d10b316d27db496`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CCF	2732 bytes

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