PDF malware analysis — malicious · 1158350547dc4f2e

MALICIOUS

PDF

341.3 KB Created: 2020-08-06 01:57:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e09ba1cebb20c63d9a41c076c6c1b9cb SHA-1: 77021df1c412d8100ec05cf9beb775b416f17110 SHA-256: 1158350547dc4f2ec00ab5601f2410463e3a97c591d34bf27e261c7d70a52605

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The ML classifier also strongly indicated maliciousness. The embedded URL is the primary indicator of malicious intent, likely serving as a lure for a phishing or malware distribution campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 3

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.
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=read+allegiant+online+pdf
- http://files.ohwhataluckyfish.com/uploads/1/3/0/8/130874276/duvakumaba.pdf
- http://files.shreyanshjain.net/uploads/1/3/0/7/130739986/fb6d2f8301.pdf
- http://fegoruwat.wivert.co.uk/uploads/1/3/0/7/130776031/5010808.pdf
- http://files.dunnclowns.com/uploads/1/3/1/8/131856158/992e69.pdf
- http://files.gracemankato.com/uploads/1/3/1/4/131406558/votedip.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2403/9592/files/vogoxosoguxigululedubisug.pdf
- https://cdn.shopify.com/s/files/1/0437/9394/0629/files/alveolos_anatomia.pdf
- https://cdn.shopify.com/s/files/1/0430/9365/5716/files/82125902736.pdf
- https://cdn.shopify.com/s/files/1/0440/3996/2774/files/20991950928.pdf
- https://cdn.shopify.com/s/files/1/0435/4398/6340/files/marofurolopag.pdf
- https://cdn.shopify.com/s/files/1/0434/0659/0106/files/89818040807.pdf
- https://cdn.shopify.com/s/files/1/0440/8606/7352/files/47270517244.pdf
- https://cdn.shopify.com/s/files/1/0433/6769/4490/files/54601344178.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/28664871254.pdf
- https://cdn.shopify.com/s/files/1/0433/1077/6473/files/gogasimatorasuzep.pdf
- https://cdn.shopify.com/s/files/1/0429/2270/5055/files/zezomovuz.pdf
- https://cdn.shopify.com/s/files/1/0433/8155/5350/files/jobidukikuwepabaxozafofas.pdf
- https://cdn.shopify.com/s/files/1/0447/0826/6137/files/doguvetaxivefo.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/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000511d8.bin` `c42e4c1ffe71e4dcdd24a3c4ee54f82da986ae5852a23814328e7268bba6fb19`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x511D8	4944 bytes
`font_01_sfnt_off000522cd.bin` `7b92a49606ba8211dc09dd058a35ee5803bfd26d0805b47419c5e4c0910320fd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x522CD	10496 bytes

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