PDF malware analysis — malicious · fe62c6eb1cbdbcb8

MALICIOUS

PDF

78.2 KB Created: 2021-01-21 17:33:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: dc9f9854858f033b73176de1b75ff2e0 SHA-1: db8b31812592c93833ab5a7b523657504412d509 SHA-256: fe62c6eb1cbdbcb892484795c3376af482b3a5b4b48fd0476df86eeb6a06f977

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous external links, many pointing to disposable hosting services, indicating a link farm designed to drive traffic or host malicious content. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The embedded content, though heavily obfuscated, suggests a lure related to 'Space Rangers 2' to encourage users to click on the malicious links.

Machine Learning

Nyx PDF Classifier malicious score 0.9992

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://trafffi.ru/wb?keyword=space%20rangers%202%20guide PDF link annotation
- https://static.s123-cdn-static.com/uploads/4377679/normal_5fc6f21587ef3.pdfIn PDF document text
- https://boxijobanopuvob.weebly.com/uploads/1/3/0/7/130739783/191ddd62472cebf.pdfIn PDF document text
- https://bufibetotireguk.weebly.com/uploads/1/3/0/7/130739935/vopuj-lijuzilebes-xalozidof-pevojabexani.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365555/normal_5f875a394765e.pdfIn PDF document text
- https://tonavamajarow.weebly.com/uploads/1/3/4/6/134694337/9243172.pdfIn PDF document text
- https://nitafigiwulizo.weebly.com/uploads/1/3/1/4/131406945/buvilinokidawop.pdfIn PDF document text
- https://vusukiziroge.weebly.com/uploads/1/3/0/9/130969505/3658067.pdfIn PDF document text
- https://lavolobaned.weebly.com/uploads/1/3/0/7/130740571/bopikazag.pdfIn PDF document text
- https://xasukibumit.weebly.com/uploads/1/3/4/7/134749231/5e781c40b5.pdfIn PDF document text
- https://valabonef.weebly.com/uploads/1/3/1/3/131379230/kirilokojefi_vafimaz.pdfIn PDF document text
- https://mitivowa.weebly.com/uploads/1/3/1/6/131607237/ralebumovoman-gejupisore-vovuwo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413696/normal_6003821ce9c0f.pdfIn PDF document text
- https://rogenogenitel.weebly.com/uploads/1/3/4/3/134316557/183b6773107.pdfIn PDF document text
- https://pabarasoziraw.weebly.com/uploads/1/3/5/3/135324669/b8dace93db.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491439/normal_5ff22c64f11b2.pdfIn PDF document text
- https://teveluzisobe.weebly.com/uploads/1/3/5/2/135299025/xufetizitaxutabijuma.pdfIn PDF document text
- https://dejewetekexofig.weebly.com/uploads/1/3/0/7/130775583/feduwexetamamuparoz.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/zuguvoxoki/47051793231.pdfIn PDF document text
- https://s3.amazonaws.com/zagapaxa/vapigunupujimower.pdfIn PDF document text
- http://vuwejamadadodi.epizy.com/42466111773.pdfIn PDF document text
- https://s3.amazonaws.com/zexozavo/58674265936.pdfIn PDF document text
- http://wajalapivibobi.epizy.com/mamonogas.pdfIn PDF document text
- https://s3.amazonaws.com/vososasoxumete/94275599196.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_off0000f2b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF2B9	5444 bytes
SHA-256: `7c80b0c59a2324d6b8df78f1c1163ac2c77e6a2643cbf8d2eca4ea8ff734ca16`
`font_01_sfnt_off0001054b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1054B	11404 bytes
SHA-256: `48ec75636d1d21e9245235e9bdef4ca7e00ef4fe49803dadce9f8106495f501f`

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