PDF malware analysis — malicious · 277f6e2e0597af27

MALICIOUS

PDF

62.4 KB Created: 2020-11-09 02:08:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: ec0feeacd4d8dfa6e18aa205f6c6ddac SHA-1: 5076ce05e0f167535cae63d476a6ccb2b2227b1e SHA-256: 277f6e2e0597af272eaddfba52461efeab60be980307921f0cf60a8757b33a87

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
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://traffset.ru/aws?keyword=voice+of+trigon+teen+titans PDF link annotation
- https://mabamigetope.weebly.com/uploads/1/3/4/4/134493328/kovufuboxixug.pdfIn PDF document text
- https://fawawivog.weebly.com/uploads/1/3/4/5/134595284/xarab.pdfIn PDF document text
- https://fanawilixu.weebly.com/uploads/1/3/1/4/131408209/2c169f6c3cb6a.pdfIn PDF document text
- https://lozagazol.weebly.com/uploads/1/3/4/2/134266804/7358650.pdfIn PDF document text
- https://dowisapi.weebly.com/uploads/1/3/4/2/134266119/kuvugurazoga-bunubadidoka-zexiwepalek.pdfIn PDF document text
- https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/6789685.pdfIn PDF document text
- https://zugufavowi.weebly.com/uploads/1/3/0/8/130874222/2778795.pdfIn PDF document text
- https://bivitomelonex.weebly.com/uploads/1/3/4/4/134491730/3844713.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://wirotuxesu.files.wordpress.com/2020/11/155759998.pdfIn PDF document text
- https://s3.amazonaws.com/nakevoja/dnd_5e_warforged_racial_feats.pdfIn PDF document text
- https://waxixevot.files.wordpress.com/2020/11/kifufef.pdfIn PDF document text
- https://mufepokupi.files.wordpress.com/2020/11/purunagegutawesogirifug.pdfIn PDF document text
- https://riwetog.files.wordpress.com/2020/11/milajasimuxasuteduz.pdfIn PDF document text
- https://s3.amazonaws.com/midipes/nevutejoxijiligebo.pdfIn PDF document text
- https://deperizive.files.wordpress.com/2020/11/visakobexixis.pdfIn PDF document text
- https://s3.amazonaws.com/wanasuvedigo/47990306882.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000948d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x948D	4984 bytes
SHA-256: `413d182524442344f239b2cc9f01fb15b033b8ba547132e153688fe2ed747046`
`font_01_sfnt_off0000a58e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA58E	11076 bytes
SHA-256: `d705551c2b2f3d9d64567a4107dde7f502f019e89033087168cac67d0a65eba3`
`font_02_sfnt_off0000c473.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC473	11100 bytes
SHA-256: `0cfbefabe5540e005d7432fbc361f66b797747f52abcb45533a94e3e2d091d3d`

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