PDF malware analysis — malicious · d25e5f3c1450aea1

MALICIOUS

PDF

39.7 KB Created: 2020-03-29 10:30:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: bcdbcff5913c1a0ad8f65e15f64dde70 SHA-1: 2684f7dc1b0112c36d6cb92bff13fbe77f74e75b SHA-256: d25e5f3c1450aea1a7de47141f1986203010bd9b95f7d50a5530fbbdb7af7f7e

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body, though partially corrupted, contains a URL that is also present in the list of extracted URLs. This suggests the primary purpose is to redirect users to a network of other websites, likely for malicious SEO or to host further malicious content. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.
External URI info PDF_URI

PDF contains an external URL action
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://moodlabnewlife.nl/uploads/1/3/0/5/130551754/130551754.html#cayenne+pepper+for+sore+throat
- http://www.growinvestmentgroup.com/uploads/1/3/0/4/130475921/6394438.pdf
- http://www.alvarezorganicfarms.org/uploads/1/3/0/5/130550858/suvakipajapot_pepoted_bapupudiva_pazefatupitagaf.pdf
- http://davinajennile.com/uploads/1/3/0/9/130969967/wetilukudajem_nusesegebap_mofifipolajile_dimelumuwoxela.pdf
- http://windsorwesley.com/uploads/1/3/0/5/130538996/mujekopixatozutiz.pdf
- http://improveyourvoice.training/uploads/1/3/0/2/130287246/dixofevipe.pdf
- http://dateborn.com/uploads/1/3/1/0/131071196/bokuwopisefir-julebo.pdf
- http://www.iowaaxethrowing.com/uploads/1/3/0/7/130740533/noguwokobiluboj-lemigivojomulu-punaxasotu-xumopip.pdf
- http://elitefitnessscotland.com/uploads/1/3/1/0/131070843/7492243.pdf
- http://babiesdontcry.space/uploads/1/3/0/4/130435574/pebufujiket_tomurimukuxe_kerabomapugow_kejexuzin.pdf
- http://escape-to-the-coast.co.uk/uploads/1/3/1/4/131438234/808567.pdf
- http://pbjlightsandsound.com/uploads/1/3/0/6/130639835/zesosoles.pdf
- http://csraisc2.com/uploads/1/3/0/5/130589317/566f381a66c7aa.pdf
- http://skintightbody.com/uploads/1/3/0/4/130476069/lomofi-segug-disafutasewi-gazizexupidow.pdf
- http://denvermetroprotocols.com/uploads/1/3/0/6/130604083/zojotazonun.pdf
- http://pinheadsquilting.info/uploads/1/3/0/2/130272591/dfe844.pdf
- http://mycecilialopez.com/uploads/1/3/0/6/130620348/wadanusudige.pdf
- http://acnewhyme.com/uploads/1/3/0/5/130547771/1076976.pdf
- http://mcnamaraconstruction.net/uploads/1/3/0/2/130289784/zowug-silope-fawusumuxug-vafaguzixo.pdf
- http://defenceuk.org/uploads/1/3/0/6/130621868/9fbc2c8e.pdf
- http://lakeside-kennel.com/uploads/1/3/0/8/130874130/3189741.pdf
- http://mameste.com/uploads/1/3/0/4/130488295/teneladevus.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000074dd.bin` `a6919cfe20d67bf09095b59bdefac2276fefd69aeb3a1afe18b8a50ff58bf29a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74DD	7224 bytes

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