PDF malware analysis — malicious · da7f42539f7605bd

MALICIOUS

PDF

68.0 KB Authoring application: QPDF

MD5: 9fbc137d81ffa2c9aab20b31221c35d3 SHA-1: 5814c5d8842645683b54b9b56325eaa7b106c667 SHA-256: da7f42539f7605bdca2f2f719583ca469552a16d27508b5ec7902b7f4a62b45b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This technique is commonly used for SEO spam or to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, aligning with the PDF_SEO_LINK_FARM heuristic.

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://www.emeraldsbeauty.com/uploads/1/3/0/7/130775201/4671319.pdf
- http://mail.gfisystem.com/uploads/1/3/0/6/130604281/vepetul_fibuzezugo.pdf
- http://i1drugs.trustquartet.com/uploads/1/3/0/6/130604327/turesolibinaseguz.pdf
- http://mindandbodydallas.com/uploads/1/3/0/7/130776619/5254251.pdf
- http://saloteflorist.com/uploads/1/3/0/6/130639530/daa470.pdf
- http://mexiitems.com/uploads/1/3/0/4/130478819/4843770.pdf
- http://evertonlovell.com/uploads/1/3/0/6/130620804/df842eb76237d.pdf
- http://www.thecakeryathens.com/uploads/1/3/0/4/130483833/kerifoli-paxonu-siresij.pdf
- http://secure.service-netflix.com/uploads/1/3/0/2/130288006/8953080.pdf
- http://pyschicnetwork.live/uploads/1/3/0/4/130477228/xopajejirin.pdf
- http://www.corvuspress.net/uploads/1/3/0/5/130539309/didadezotebezum_razibizudigav.pdf
- http://moannasworkroominteriorsandstaging.com/uploads/1/3/0/4/130483811/tiparasota.pdf
- http://readcloud10.com/uploads/1/3/0/8/130874347/6921759.pdf
- http://robertcarroll-stamp.net/uploads/1/3/0/4/130488195/3c8aafcdb9.pdf
- http://charityaweek.com/uploads/1/3/0/2/130270812/e62b6.pdf
- http://connelyhitnews.com/uploads/1/3/0/7/130776877/3683707.pdf
- http://miam-foundation.org/uploads/1/3/0/8/130813883/lopafa.pdf
- http://hostmaster.handsonhexham.co.uk/uploads/1/3/0/8/130874029/5138207.pdf
- http://www.oneformother.org/uploads/1/3/0/2/130287937/dakojewim_mofodupa_popiw.pdf
- http://mx.enolaknezevic.com/uploads/1/3/0/9/130969235/8938894.pdf
- http://npaevents.com/uploads/1/3/0/4/130476519/6519312.pdf
- http://h3motorsportsmachinefabllc.com/uploads/1/3/0/5/130550855/124c5df0b.pdf
- http://modern-bliss.net/uploads/1/3/0/3/130323485/9624739.pdf
- http://xocobean.com/uploads/1/3/0/8/130813768/130813768.html#does+cosmic+ray+spallation+produce+boron

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000160f.bin` `480f7be9cc10ce35ce64da78c4b904a74dc287009b951e3f9cf6fc0844ab0722`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x160F	9040 bytes
`font_01_sfnt_off0000b7e2.bin` `5230b6665007f5c116ca1a3d16fe671494b14fd45c9f23f57ac500d7fe794436`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB7E2	16224 bytes
`font_02_sfnt_off0000ccdf.bin` `1110447959503c75238c0f1bcdf9de7fad567fc767730a4530dcb0d3a64541bd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCCDF	2696 bytes

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