PDF malware analysis — malicious · 496710354511be3c

MALICIOUS

PDF

52.0 KB Created: 2020-08-09 09:03:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 416b0867c503d437c008648ec5bc3dbf SHA-1: 102296f03da596901d93fb2b061effc1897f2e0d SHA-256: 496710354511be3c3339b48294b5d51ca3a10361559ca4e5b67166454e116c1b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'definition of communication pdf file' and includes the malicious URL. This suggests a phishing attempt to redirect users to malicious infrastructure.

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.
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.
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.ru/pify?keyword=definition+of+communication+pdf+file
- http://files.idleminded.com/uploads/1/3/2/6/132695568/takipedexuke_dobuvemelumoma_ritojet.pdf
- http://xiweba.afesestatesales.com/uploads/1/3/0/7/130775403/7291777.pdf
- http://files.skiowsa.com/uploads/1/3/2/3/132303035/xofolaborikifadavuz.pdf
- https://cdn.shopify.com/s/files/1/0432/6172/2788/files/58208684287.pdf
- https://cdn.shopify.com/s/files/1/0433/7883/5606/files/tezinoduzume.pdf
- https://cdn.shopify.com/s/files/1/0435/0682/7428/files/gejagixite.pdf
- https://cdn.shopify.com/s/files/1/0438/5007/2224/files/56783690599.pdf
- https://cdn.shopify.com/s/files/1/0429/1421/8143/files/85987898481.pdf
- https://cdn.shopify.com/s/files/1/0431/1236/6231/files/38265943040.pdf
- https://cdn.shopify.com/s/files/1/0452/5395/1650/files/marathi_online_books.pdf
- https://cdn.shopify.com/s/files/1/0430/1701/1353/files/iam_751_boeing_collective_bargaining_agreement.pdf
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/xuzuxolawakirobovukubida.pdf
- https://cdn.shopify.com/s/files/1/0435/3818/6394/files/importance_of_seeking_knowledge_in_islam.pdf
- https://cdn.shopify.com/s/files/1/0430/3123/2674/files/47083076744.pdf
- https://cdn.shopify.com/s/files/1/0435/8907/5102/files/poxemomixuguka.pdf
- https://cdn.shopify.com/s/files/1/0432/7433/8472/files/beposujoxe.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000081db.bin` `4130033ac5d9fbe9b19166d1c7053407a61f008397547fea255015e17cf2f644`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81DB	4908 bytes
`font_01_sfnt_off0000927b.bin` `7432de7e82e0f3144e6cd264b898cc45ecac9d1b63f80f3946c8f2214b6ce980`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x927B	9960 bytes
`font_02_sfnt_off0000b487.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB487	4324 bytes

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