PDF malware analysis — malicious · a2b7694755d14ab1

MALICIOUS

PDF

49.6 KB Authoring application: Mobipocket Creator

MD5: e25981d8dd885d9581f5a32c1b834adf SHA-1: bd5b268d5fd423e3442eff81f3e15f43f2b1552d SHA-256: a2b7694755d14ab11f48ae20d0441539b458cb60689463917db8611fedca0f34

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links to other PDF files hosted on various domains. This technique, identified by the PDF_SEO_LINK_FARM heuristic, is commonly used to create link farms for SEO manipulation or to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery through these linked documents.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://carasoul.com/uploads/1/3/0/2/130273584/kinalapikonoxop.pdf
- http://adacreatives.com/uploads/1/3/0/4/130436450/3009a77a6ef5f.pdf
- http://inity420.com/uploads/2020/01/28/pogidoxifimokotigika.pdf
- http://labcharter-pto.com/uploads/1/3/0/2/130272493/fimesisabu_zosisa.pdf
- http://dogfriendlyrentalsonsanibel.com/uploads/1/3/0/6/130639230/nudorapobos-xinad-xubanajexilofa.pdf
- http://adsmanila.com/uploads/1/3/0/5/130551124/2916326.pdf
- http://pik.topmanicure.ru/uploads/2020/01/28/serapigovefi.pdf
- http://mitchellgribbroek.com/uploads/1/3/0/6/130639311/3459779.pdf
- http://agm71.icu/uploads/2020/01/27/0b029310843958.pdf
- http://mirigubler.com/uploads/1/3/0/3/130324005/rupemamazin.pdf
- http://oboeandbassooncamp.com/uploads/1/3/0/5/130538918/netemanufejoz.pdf
- http://bcschools.org/uploads/1/3/0/5/130589397/e41b0c1.pdf
- http://r-ewolucje.com/uploads/1/3/0/5/130539297/teriduwetaritoj-wanujix-telofebabamoto-sosipibofigegit.pdf
- http://fik.gosuslugi-moskva.ru/uploads/2020/01/29/fesepujur_jijiri_gokoxufafafikaf.pdf
- http://sapa.uristlaboratory.ru/uploads/2020/01/29/7fc4c.pdf
- http://porttownsendmetaphysicalhealingarts.com/uploads/1/3/0/2/130289179/1858225.pdf
- http://commercialcompliance.com/uploads/1/3/0/4/130491703/nejizudoxur.pdf
- http://nwdogretreat.com/uploads/1/3/0/5/130589322/f8798e04d361d0a.pdf
- http://kentlife.solutions/uploads/1/3/0/4/130483561/dudoxokobi-xegikokoderos.pdf
- http://a-custom-esl-tutoring.com/uploads/1/3/0/5/130544898/007130.pdf
- http://aimonpurpose.com/uploads/1/3/0/6/130604505/sizuwegitadap-litajatiweso-gulubofudamalu-doxafonufa.pdf
- http://pigoza.markaajans.online/uploads/2020/01/28/8554784.pdf
- http://544gorhamroad.com/uploads/1/3/0/3/130324136/vowezegokebo.pdf
- http://virtualbudo.com/uploads/1/3/0/3/130379408/130379408.html#tabla+de+trigonometria+seno
- http://aimonpurpose.com/uploads/1/3/0/6/130604505/sizuwe

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00001a32.bin` `eb739097f34feaa85afdd3d1cad06306c5a5dd4a2eb1369d5c28ddb12fb76952`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1A32	10324 bytes
`font_01_sfnt_off000084e2.bin` `bb523b095de4515e28a97ced6ba5cfbdb177a5565ebbdc6db0050c4ef278ccf1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84E2	3080 bytes

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