PDF malware analysis — malicious · ff9d79e46be8600a

MALICIOUS

PDF

43.8 KB Created: 2020-10-16 21:20:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: f0ff086cfcbb904dafc7c16b816da5a3 SHA-1: 5c2216ac352e3c32ba330c83ad9a72ba07be1add SHA-256: ff9d79e46be8600accb8e44b3b033e0757669aafa70f75ffbc2835ed035d2125

184 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a link farm designed to redirect users to potentially malicious websites, including one identified as a redirector. The document body text and embedded URLs suggest a lure related to downloading software, specifically mentioning 'Spotify modded apk for android tv'. The presence of numerous links, many hosted on disposable domains, indicates a coordinated effort to distribute malicious content or traffic. No scripts were extracted, but the primary attack vector appears to be social engineering via deceptive links.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
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.
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.me/123?keyword=spotify+modded+apk+for+android+tv In PDF document text
- https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/wajosemimanisonoliro.pdfIn PDF document text
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/paforiro.pdfIn PDF document text
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/d96ddb407408.pdfIn PDF document text
- https://tudupumodowi.weebly.com/uploads/1/3/1/4/131406798/5146662.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365626/normal_5f873f2eab546.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369185/normal_5f896c0e55701.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366625/normal_5f875d3d0b8d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372719/normal_5f89ba6a15e0c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365552/normal_5f8763faa2e87.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370989/normal_5f882a40a535a.pdfIn PDF document text
- https://sabidodavo.weebly.com/uploads/1/3/1/4/131408103/bikefijitudob-dafoba-getave.pdfIn PDF document text
- https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/e27909d0be.pdfIn PDF document text
- https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/1644552.pdfIn PDF document text
- https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/wijigomofiweb_lotitosede_jukis_dirum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f876bac254f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367656/normal_5f87d1dd5c0b9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370280/normal_5f89223f0c0d9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0465/1873/0902/files/redbud_tree_varieties_pictures.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6113/2962/files/download_and_install_facebook_messenger_for_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8951/7973/files/52667888495.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_off00006d28.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6D28	5304 bytes
SHA-256: `6a8bec41f8e7fbab2a091fc69e4b3f281da9bdf31e894e67525df9afdbab61ed`
`font_01_sfnt_off00007f2f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F2F	10112 bytes
SHA-256: `229cd2e46380774020640ad42f6eb051abe13a29245c519c6a7d9d48934d388e`

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