PDF malware analysis — malicious · bef076df2f0a50d4

MALICIOUS

PDF

47.3 KB Created: 2020-03-14 15:19:58 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 01e2d43c0a88d0f7ccbc9fe02419d6cd SHA-1: 51b22e0636f11d606413ab60dbac888b2c658e15 SHA-256: bef076df2f0a50d4007403e9e8096f37fe6eec23539ea709bb80c57f9b68c05e

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, many of which point to other PDF files hosted on unrelated domains. This behavior is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or improve search engine rankings for malicious sites. The ML classifier also strongly flagged this PDF as malicious.

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://northforsythyearbook.com/uploads/1/3/0/5/130589189/130589189.html#invertebrate+zoology+barnes+pdf
- http://littledoedreams.com/uploads/1/3/0/6/130639565/7777735.pdf
- http://www.daynightsecrurityllc.com/uploads/1/3/0/5/130552043/wawufabidukurod_raxowerexenedu_waxavoru_belepoguvigasu.pdf
- http://devweb.org/uploads/1/3/0/5/130544230/c68e994.pdf
- http://2apples2oranges.net/uploads/1/3/0/6/130605393/dodolo_zuvawefuwe.pdf
- http://www.tudatosszex.hu/uploads/1/3/0/5/130588425/c9cd34605a2.pdf
- http://musicanddancecolumbia.net/uploads/1/3/0/2/130288486/1714688.pdf
- http://store.themovementdr.net/uploads/1/3/0/8/130874633/lemedigaxedig.pdf
- http://bistro73wagga.com/uploads/1/3/0/4/130488197/kojiferor-toleli-rekame-rarojuzekerutuk.pdf
- http://my-safety-box.com/uploads/1/3/0/5/130544826/584c1220be.pdf
- http://www.61rumors.com/uploads/1/3/1/0/131070187/6873729.pdf
- http://naramataplayschool.com/uploads/1/3/0/5/130550742/kabal-tikap-xeregos-zasuvadagezowon.pdf
- http://cocovonbonbon.com/uploads/1/3/0/7/130738890/5449285.pdf
- http://barbaraannkipferart.com/uploads/1/3/0/6/130639554/xinuxodugamuk.pdf
- http://armortoolcovers.com/uploads/1/3/0/8/130874261/7732030.pdf
- http://torreypinesgourmet.com/uploads/1/3/0/5/130590111/7592306.pdf
- http://globalhealthhighschool.org/uploads/1/3/0/6/130620505/a8b6dba5530.pdf
- http://costaparadiso.holiday/uploads/1/3/0/6/130604878/kegojikox.pdf
- http://tructable.com/uploads/1/3/0/3/130324315/lovisuta_mulivir.pdf
- http://invest-mongolia.mn/uploads/1/3/0/7/130739714/ad699e694.pdf
- http://hhinternational.net/uploads/1/3/0/4/130489475/wipokixafejidinifapo.pdf
- http://humbleandsonsdrywall.com/uploads/1/3/0/2/130274028/pizikiguragobe_lasibidolejug_lewefipadadunur_rosemoturuzi.pdf
- http://www.chugachpt.com/uploads/1/3/0/7/130775337/lagajoditemori_banuset_zipazexazal.pdf
- http://aqulia-urbis.com/uploads/1/3/0/2/130288542/lupaf.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_off00009215.bin` `4f39ce6f898f5413e482f4a585ae928d17f13d4530f50ec5efcd738271b85f08`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9215	7676 bytes

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