PDF malware analysis — malicious · 519a33c8d6767ea4

MALICIOUS

PDF

42.5 KB Created: 2020-08-01 06:27:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: d2c09cf90b8196b178771381e1a3d059 SHA-1: a0f2d8f027952fe89a7398fe46987530955d01be SHA-256: 519a33c8d6767ea41ee569eee66ed011a10a85c3618ae2b936c69bfb3060fd51

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF file contains a link farm of 26 external PDF links, many hosted on Shopify. One of these links redirects to the malicious domain 'ttraff.com'. The ML classifier also flagged this PDF with high confidence. The document body contains obfuscated text and a reference to 'tour of go', likely a lure.

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://ttraff.com/pify?keyword=tour+of+go
- http://files.feedthewobbegong.com/uploads/1/3/0/7/130740062/xelikagevowud-sazewurixavigi-mojufovo-leduledaza.pdf
- http://files.nurturingnaturallyllc.com/uploads/1/3/1/6/131606923/gefix.pdf
- http://files.missladytweet.com/uploads/1/3/2/7/132712323/sabawomorixa.pdf
- http://files.southportcls.com.au/uploads/1/3/1/4/131437423/zuwilowotemug.pdf
- https://cdn.shopify.com/s/files/1/0434/0586/9217/files/sezixulidokisu.pdf
- https://cdn.shopify.com/s/files/1/0431/4152/9754/files/79496024978.pdf
- https://cdn.shopify.com/s/files/1/0429/5278/6074/files/siwamo.pdf
- https://cdn.shopify.com/s/files/1/0430/9549/0721/files/1679139062.pdf
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/gupijoguzawasaromobi.pdf
- https://cdn.shopify.com/s/files/1/0436/2623/4009/files/32913308941.pdf
- https://cdn.shopify.com/s/files/1/0437/7794/9848/files/vozusabuxevepadalun.pdf
- https://cdn.shopify.com/s/files/1/0428/7237/3414/files/zazasibamotupi.pdf
- https://cdn.shopify.com/s/files/1/0434/0862/1719/files/9831835096.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/
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/gupijoguza

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006bd2.bin` `0647fd844d7569f9452d5c7e4f752dbc42a4f3e2c42ea32f202fdc03251062bb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BD2	4464 bytes
`font_01_sfnt_off00007b16.bin` `5f0c109f9f46eb172e03878951ab2a247056490bce1d1e7f21b2e9dff750af03`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B16	10088 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.