PDF malware analysis — malicious · b4bf475086e93ef7

MALICIOUS

PDF

38.6 KB Authoring application: Mobipocket Creator

MD5: 8a9c8b0bd8d2f9d2e173d82888d93a2f SHA-1: 96d6af9c2e538512acde788f9d29f23306229c6a SHA-256: b4bf475086e93ef7d967b0283df5fe60fa1a6eeaa046459d29f12e516597725c

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files across numerous domains, indicating a link farm or distribution network. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. The document body text is heavily corrupted and does not provide clear context, but the heuristic firings and URL structure strongly suggest a malicious campaign.

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://afhdr.com/uploads/1/3/0/6/130603721/9100208.pdf
- http://stressadvantage.com/uploads/1/3/0/7/130739396/xosezejujiju.pdf
- http://nahomiichino.com/uploads/1/3/0/2/130288502/7710528.pdf
- http://cdn-0.fuzzfaced.net/uploads/1/3/0/5/130543366/vibajajazagud.pdf
- http://www.expressiveartsplace.org/uploads/1/3/0/2/130287953/jovaboponoju-gixop-jokevixejitagod.pdf
- http://kirillbondar.net/uploads/1/3/0/7/130738812/jigub_jisodugisovimek.pdf
- http://rivron2.net/uploads/1/3/0/2/130272364/nusagogeriripaz_nepopidu.pdf
- http://nahdalkhadra.com/uploads/1/3/0/7/130775104/rulafavizamidas.pdf
- http://74-123-72-80.mgwnet.com/uploads/1/3/0/8/130873965/6540181.pdf
- http://newcanaandems.org/uploads/1/3/0/7/130776786/kudasivemege.pdf
- http://mrscanlon2015.com/uploads/1/3/0/3/130379488/2184345.pdf
- http://tusconssteakhouse.com/uploads/1/3/0/4/130435922/mobudisenovutid.pdf
- http://johnlalla.com/uploads/1/3/0/4/130435873/8749522.pdf
- http://twosistersdips.com/uploads/1/3/0/6/130621892/d2e6e.pdf
- http://baudlbears.com/uploads/1/3/0/7/130776206/8465439.pdf
- http://clipture.net/uploads/1/3/0/3/130324170/xamabozage_rutamubufeti.pdf
- http://mirasana.com/uploads/1/3/0/2/130271150/fuvosaxaloziw_naxigalepeli_zaraxujalevani.pdf
- http://www.ferrumfratres.com/uploads/1/3/0/4/130483552/5324a8d.pdf
- http://www.bavalon-archief.be/uploads/1/3/0/6/130621909/foxojuvemunit.pdf
- http://relicwinecellars.com/uploads/1/3/0/5/130543667/fenenofe.pdf
- http://delta9ct.com/uploads/1/3/0/8/130873946/naravasitevib-sotadugamoziju-beferefanujuve-sivitezijemo.pdf
- http://hostmaster.idvprojects.be/uploads/1/3/0/3/130313114/zakirerodudev_mumaganujiro.pdf
- http://bridgepointsearch.com/uploads/1/3/0/4/130476917/9152183.pdf
- http://kathiegreenmedia.com/uploads/1/3/0/2/130289569/6247670.pdf
- http://horatiokemeny.com/uploads/1/3/0/2/130288557/5642786.pdf
- http://1afkkh.bdgct.com/uploads/1/3/0/8/130873875/130873875.html#compound+predicate+nominative+sentence+examples
- http://twosistersdips.com/uploads/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000032b5.bin` `12cf132acf15b349afd57bf751a3488040a3a6539dedb3baaa42f5c247ecfe82`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32B5	7912 bytes

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