PDF malware analysis — malicious · 9453f7c8492d5958

MALICIOUS

PDF

44.8 KB Authoring application: SWFTools

MD5: 130e4b08e8beb84119c3ead2484964c9 SHA-1: ee4384878c3f0e5573f452bb1d39f300294c35ec SHA-256: 9453f7c8492d59581833ef21ac1bc5574a4f2cedb77d1ec68b62ef8f22827037

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0 and a machine learning classifier with high confidence. The heuristic PDF_SEO_LINK_FARM indicates the document contains a large number of external links to other PDF files, suggesting a link farm or distribution mechanism. The embedded URLs point to various domains, many of which are unknown or benign, but the sheer volume and the nature of the heuristic suggest malicious intent, likely related to SEO manipulation or distributing further malware. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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://smileyinvesting.com/uploads/1/3/0/6/130604878/vabukego-remum.pdf
- http://naturalisllc.net/uploads/1/3/0/4/130475879/6125243.pdf
- http://fijikerus.dddich.ru/uploads/2020/01/28/nemidiraxegidizidupi.pdf
- https://xopumexuwal.weebly.com/uploads/1/3/0/4/130490687/25a9e00f.pdf
- https://govupibonezafez.weebly.com/uploads/1/3/0/2/130289002/6077265.pdf
- http://energykim.com/uploads/1/3/0/6/130603819/5391024.pdf
- http://pekavudari.lspd-fivelife.fr/uploads/2020/01/29/bederegufizofepu.pdf
- http://gem.klopus.ru/uploads/2020/01/28/fudugolabepum_gefozuzukekew_zatodamogubevu.pdf
- http://programmyvisual.weebly.com/uploads/1/3/0/2/130272435/gekumip-turez.pdf
- http://mommyandbeeboutique.com/uploads/1/3/0/5/130539403/wasomefupa_lelokunirifu_sevuwidarunom_welisanadi.pdf
- https://rixozipunidevez.weebly.com/uploads/1/3/0/3/130324390/vulize.pdf
- https://nositexilodupaj.weebly.com/uploads/1/3/0/6/130604583/mifuxetawan_xujelaxam.pdf
- http://jozak.lechenie-psoriaza.ru/uploads/2020/01/27/7383956.pdf
- http://sukeju.deepspect.com/uploads/2020/01/27/fuparurifomo_kaluvijibote_pibaz.pdf
- http://associationofblackmothers.org/uploads/1/3/0/3/130323727/xavapodut-difuba.pdf
- http://dsmodes.com/uploads/2020/01/27/5903409.pdf
- https://wosaxiwod.weebly.com/uploads/1/3/0/2/130272083/sogun-ruwuze-nenuzudukibu-xinegipulidene.pdf
- https://lokutefupi.weebly.com/uploads/1/3/0/4/130435781/ceaadf979a91.pdf
- http://myptresource.com/uploads/1/3/0/5/130550774/8693455.pdf
- http://bejadifide.knb-games.pw/uploads/2020/01/28/periboja_wefoxis.pdf
- https://jemeromukilede.weebly.com/uploads/1/3/0/4/130489075/zifazabage-pubegugedu-luzidigozisaj.pdf
- http://tizi.kowls.xyz/uploads/2020/01/29/6534006.pdf
- http://zambiasafarihunting.com/uploads/1/3/0/2/130272233/130272233.html#adalla+majaka+movie

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00005c2a.bin` `259da1f9ac721cf3fdb786448b1b56b1f30f7a1c9d42bd566dcf8fd0c039e20a`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5C2A	20388 bytes
`font_00_sfnt_off00001724.bin` `fa2b480695ce62a6273d923e05116e3c086141af8d7b67d5bafb246e1e8d8846`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1724	7912 bytes

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