PDF malware analysis — malicious · c19b72a70c5f7f18

MALICIOUS

PDF

38.8 KB Created: 2020-11-07 02:13:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-03-01

MD5: 023b6f260816f76a02f3b408af0cd777 SHA-1: 87979306dfb8c4f5c7e189fdae7dc04d196a6ef3 SHA-256: c19b72a70c5f7f181efb1946de4759482b66c2032d064891f3c128e846604e1f

66 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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 https://trafffi.ru/aws?keyword=free+zynga+poker+chips+cheat+2019 PDF link annotation
- https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/9862324.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403131/normal_5f945ded5501d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401723/normal_5f91e1b1ee13e.pdfIn PDF document text
- https://jonipafatanepa.weebly.com/uploads/1/3/2/7/132741476/baxugifuxozarixa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jijumupade/miracle_ii_soap_reviews.pdfIn PDF document text
- https://s3.amazonaws.com/duzexefemosaxe/blink_xt2_manual.pdfIn PDF document text
- https://s3.amazonaws.com/vigevot/object_thinking_david_west.pdfIn PDF document text
- https://mereposen.files.wordpress.com/2020/11/70942162882.pdfIn PDF document text
- https://manetomimexa.files.wordpress.com/2020/11/lugotorizereziwatogukomak.pdfIn PDF document text
- https://veralaf.files.wordpress.com/2020/11/50961445114.pdfIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/82702073001.pdfIn PDF document text
- https://xosegareka.files.wordpress.com/2020/11/57502388180.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005614.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5614	5816 bytes
SHA-256: `2439157c412d98c67ee11cc861d9451ff2d1351e00ae7a8e18be6a036be6470c`
`font_01_sfnt_off000069fb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69FB	10760 bytes
SHA-256: `939908b24c7c2878259dac33f2c527550ae52b0dfd541bda2169e7cb5c70b52a`

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