PDF malware analysis — malicious · 612e34053dffb964

MALICIOUS

PDF

74.5 KB Created: 2021-05-21 20:49:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: a0dfd08af1d4d256491e724dd0f4f7b6 SHA-1: 4633c17a9759ac0a23b3a6c8f6df572371bb6f4c SHA-256: 612e34053dffb964735778c3460853a0d8a2b9fa6edebd17c23bd7013a7e972f

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document functions as a link farm, directing users to various external websites, including one related to 'gardenscapes cheats 2019 without human verification'. The presence of numerous links on disposable hosting suggests a malicious intent to drive traffic or potentially lead users to phishing or malware sites. No scripts were extracted, but the PDF structure and embedded URIs indicate a social engineering tactic.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://maypoin.ru/strik?utm_term=gardenscapes+cheats+2019+without+human+verification PDF link annotation
- https://sovomebidug.weebly.com/uploads/1/3/1/3/131379042/jidesimufiri_matubo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444100/normal_6057cf7577d2b.pdfIn PDF document text
- https://damemerivojed.weebly.com/uploads/1/3/4/3/134378109/bodesupedagomix-vonudulalagu.pdfIn PDF document text
- https://tebukebodo.weebly.com/uploads/1/3/1/3/131381901/6575468.pdfIn PDF document text
- https://vizumijolotetip.weebly.com/uploads/1/3/5/3/135394273/ea1c286.pdfIn PDF document text
- https://tiwibuvemugijaj.weebly.com/uploads/1/3/0/7/130776889/c9df3020e4ef.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446379/normal_5ff45adbcc842.pdfIn PDF document text
- https://sowumubisi.weebly.com/uploads/1/3/2/8/132815199/sizik.pdfIn PDF document text
- https://kafunuxuvivupar.weebly.com/uploads/1/3/5/3/135303333/naserojujat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367916/normal_6032b9850baca.pdfIn PDF document text
- https://medivurufif.weebly.com/uploads/1/3/1/4/131407406/tetowarasinanuvejate.pdfIn PDF document text
- https://fofalada.weebly.com/uploads/1/3/5/9/135968840/5b2143.pdfIn PDF document text
- https://nizuwutino.weebly.com/uploads/1/3/1/4/131482859/2427ba1b7.pdfIn PDF document text
- https://foxakiletomuxo.weebly.com/uploads/1/3/4/0/134012751/nojivason.pdfIn PDF document text
- https://tubuwixufadone.weebly.com/uploads/1/3/5/3/135315283/naxuzagudetizami.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/c5cee557-04c4-4f2e-94a1-4230ff8a0b32/fukuxefotaroworenoxatu.pdfIn PDF document text
- https://s3.amazonaws.com/nafoxuda/galvin_green_ladies_size_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c11d2b52-b951-4bff-be68-fbec5169a044/why_is_my_apple_keyboard_not_supported_by_my_ipad.pdfIn PDF document text
- https://s3.amazonaws.com/waxegatulo/7117308998.pdfIn PDF document text
- https://s3.amazonaws.com/lanorolowu/68387444607.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000da6d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDA6D	6028 bytes
SHA-256: `2e5c9df6c0af8ce16b6b57df0c2386390e0841280193a85b120cf46ce3854cdf`
`font_01_sfnt_off0000eee6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEEE6	2092 bytes
SHA-256: `0f740872c9ba99ba2808e86ca1aa710947acf25eef927d3004a187dd3557d740`
`font_02_sfnt_off0000f88c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF88C	10348 bytes
SHA-256: `4b52ed48b60318cdf03f91008f9f59187258515e3e6e88921aab368b8ee6459e`

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