PDF malware analysis — malicious · 19fd95b5945b4e11

MALICIOUS

PDF

44.6 KB Created: 2020-03-21 13:20:02 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2020-12-25

MD5: de780d54cae4435a91132a55f74d8f0b SHA-1: 63131bfda793dd2147136968544ead7f714a3ad3 SHA-256: 19fd95b5945b4e11e3b5c1b8476a60ce766094982d5e782975a3d17ebb86b9da

96 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://gadgetschmadget.com/uploads/1/3/0/3/130313641/130313641.html#cuales+son+los+metodos+de+pronosticos+cualitativos PDF link annotation
- http://golfautoscorethailand.com/uploads/1/3/0/5/130550716/8b1f48b625d024.pdfIn PDF document text
- http://belayglasses.ca/uploads/1/3/0/6/130604682/8215297.pdfIn PDF document text
- http://ambiance.lynn-gustafson.com/uploads/1/3/0/2/130289021/linuwopifapo.pdfIn PDF document text
- http://1kqmn.salon225.com/uploads/1/3/0/4/130476908/6046859.pdfIn PDF document text
- http://carsonnissanblog.com/uploads/1/3/0/2/130271103/mupitizidinawij.pdfIn PDF document text
- http://ilpetit.com/uploads/1/3/0/4/130489159/45d18588ad0c.pdfIn PDF document text
- http://itchad.net/uploads/1/3/0/3/130379237/wolidofolepe.pdfIn PDF document text
- http://landlchildcare.org/uploads/1/3/0/6/130620279/3503327.pdfIn PDF document text
- http://angelic-motivation.net/uploads/1/3/0/5/130551864/21d04ed27bdb6fc.pdfIn PDF document text
- http://www.arkademy.sch.id/uploads/1/3/0/7/130775166/e34bcaf02b.pdfIn PDF document text
- http://salleefigs.com/uploads/1/3/0/7/130739540/podoxamovo.pdfIn PDF document text
- http://vincentdigeronimo.com/uploads/1/3/0/3/130313582/makiziwiz.pdfIn PDF document text
- http://www.downonthefarmchildcare.com/uploads/1/3/0/5/130551488/4106063.pdfIn PDF document text
- http://jennyphotos.net/uploads/1/3/0/9/130969000/335369.pdfIn PDF document text
- http://premiersouffle.ch/uploads/1/3/1/0/131070010/8169875.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006e83.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E83	8504 bytes
SHA-256: `879ece38b6240b699fe9154a9f66ff4c976b568e5b275ba6edef7bebdb3c8f16`
`font_01_sfnt_off00008d76.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D76	16212 bytes
SHA-256: `280c94e3218d2708cdd07178d09eeb6be630855b1bb4c497c2130fe2942840ae`

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