PDF malware analysis — malicious · 2b9eb47447a67be6

MALICIOUS

PDF

37.1 KB Created: 2020-08-20 09:06:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 360529614370b1581747154970d03664 SHA-1: 40cccea3fc5366ba9702ed40f48c6078671b59d8 SHA-256: 2b9eb47447a67be6c71e61de20df3dbc7c2aeaeda0c69cff65b79abb3c44db38

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is `https://ttraff.cc/pify?keyword=reported+speech+test+b1`. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on `cdn.shopify.com` and a suspicious domain `jimagebib.newyorklifeinsuranceattorney.com`. These elements strongly suggest a phishing or malware delivery 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://ttraff.cc/pify?keyword=reported+speech+test+b1
- http://jimagebib.newyorklifeinsuranceattorney.com/uploads/1/3/1/0/131070450/fabezi_korapa_kewipuxagowe.pdf
- https://cdn.shopify.com/s/files/1/0433/4537/9478/files/35278316977.pdf
- https://cdn.shopify.com/s/files/1/0431/1348/0343/files/jipitajewa.pdf
- https://cdn.shopify.com/s/files/1/0432/9642/4096/files/taxusujesumogadi.pdf
- https://cdn.shopify.com/s/files/1/0431/5047/5413/files/puvugagotowikizi.pdf
- https://cdn.shopify.com/s/files/1/0429/0704/1958/files/shareholder_theory.pdf
- https://cdn.shopify.com/s/files/1/0434/0826/1276/files/66549375041.pdf
- https://cdn.shopify.com/s/files/1/0430/3765/5191/files/97871118446.pdf
- https://cdn.shopify.com/s/files/1/0427/7967/2735/files/riwenanetodifagisa.pdf
- https://cdn.shopify.com/s/files/1/0431/0522/2822/files/3rd_grade_fsa_math_practice.pdf
- https://cdn.shopify.com/s/files/1/0434/7196/2269/files/19869262561.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005472.bin` `749bc7f23f257c1f4029a8bf05b63f31295cfc983db6163d991af78cdebd9ebc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5472	5120 bytes
`font_01_sfnt_off000065dc.bin` `45b6e6653f6db811e49591395d75024f3ba153a514c154d5a5d97c16c6a76311`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65DC	9996 bytes

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