PDF malware analysis — malicious · 12791f144ab877c3

MALICIOUS

PDF

47.6 KB Created: 2020-10-27 16:15:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8aedffe36aaaf22020c5196d92c76c53 SHA-1: 125f87737b777b035b309e02cc39fb66e026e7e5 SHA-256: 12791f144ab877c3bcfcd4005a1b63b9f796cf7236091470381a632d34fa4703

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a lure for "Mega tv online live la comay" which redirects to malicious infrastructure. The PDF is also part of a link farm, with numerous embedded links to other PDFs hosted on weebly.com and f-static.net. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs confirms a redirection attempt.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
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://gettraff.ru/strik?keyword=mega+tv+online+live+la+comay
- https://lesofetu.weebly.com/uploads/1/3/1/3/131378838/zilowagosabove.pdf
- https://vujofuda.weebly.com/uploads/1/3/4/3/134375628/wosixojumem.pdf
- https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/3403789.pdf
- https://rexolofozex.weebly.com/uploads/1/3/4/3/134368018/gezulumunegepuxedi.pdf
- https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/f5b97.pdf
- https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/ce6c04d5110706a.pdf
- https://mixorone.weebly.com/uploads/1/3/1/4/131438240/264ec118b04568a.pdf
- https://muzaromiv.weebly.com/uploads/1/3/4/3/134380281/83748e90c309af.pdf
- https://gafekiwukuwemul.weebly.com/uploads/1/3/4/3/134313713/8195289.pdf
- https://cdn-cms.f-static.net/uploads/4384144/normal_5f8d81cec7d2e.pdf
- https://cdn-cms.f-static.net/uploads/4368978/normal_5f971f4c141bd.pdf
- https://cdn-cms.f-static.net/uploads/4407780/normal_5f95581dcc7b0.pdf
- https://cdn-cms.f-static.net/uploads/4372399/normal_5f97575a7a904.pdf
- https://cdn-cms.f-static.net/uploads/4405195/normal_5f91718a25b49.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/94edbc9b-8480-4727-baf1-b9a952e99699/vemedapiwetadate.pdf
- https://uploads.strikinglycdn.com/files/a989d30b-0f5e-403f-9a8e-63c5f6eaca79/munemukilapozasegeraf.pdf
- https://uploads.strikinglycdn.com/files/7d4f1bd3-e91f-4e9e-9372-ac4ccbf01051/55623211905.pdf
- https://uploads.strikinglycdn.com/files/ce0537ae-f4fe-4406-b61e-52818df4bf61/53960079463.pdf
- https://s3.amazonaws.com/jupevuxirapi/woxufez.pdf
- https://s3.amazonaws.com/bulozor/zibun.pdf
- https://s3.amazonaws.com/dudigonifu/forced_damped_harmonic_oscillator.pdf
- https://s3.amazonaws.com/zetare/47165653074.pdf
- https://cdn.shopify.com/s/files/1/0429/3646/7619/files/wcmsa_reference_guide_2018.pdf
- https://cdn.shopify.com/s/files/1/0508/3424/3749/files/13160303974.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/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000079e9.bin` `8f8ffe1e13bc01db71e859f53d837b2b88caafb48404496f6903a527c6fb5577`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79E9	5012 bytes
`font_01_sfnt_off00008b00.bin` `271297f5d3a34e27145823abd43a20fd41ed90ca294a54a9972320cb3a36311a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B00	11808 bytes

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