PDF malware analysis — malicious · f6a011a2efd0a87b

MALICIOUS

PDF

47.8 KB Created: 2020-08-22 07:38:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9eee310aac9335baa13545f5642f1b4e SHA-1: d3013010b92e992abd40f0c3a30d4026a6b7cfab SHA-256: f6a011a2efd0a87b3eb925540a460350633fca12151624bb953ec2cd797fb210

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the text 'Axolotl facts and information' and the malicious URL, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a larger link farm, likely for SEO manipulation or to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=axolotl+facts+and+information
- http://files.ideamagnets.com/uploads/1/3/0/7/130739154/mesuxuzeromugib_zanakeb.pdf
- http://tokak.mikearend.com/uploads/1/3/0/9/130969352/4f30f4574.pdf
- http://files.writingfromthewastebasket.com/uploads/1/3/2/7/132712185/valuta.pdf
- http://ripovud.timsguitar.net/uploads/1/3/1/3/131378898/gamus-sedexopusomuzap.pdf
- https://cdn.shopify.com/s/files/1/0431/6754/7554/files/fubugaximene.pdf
- https://cdn.shopify.com/s/files/1/0438/6694/7744/files/26064735271.pdf
- https://cdn.shopify.com/s/files/1/0435/2658/6519/files/58175062001.pdf
- https://cdn.shopify.com/s/files/1/0431/6371/3695/files/70453879826.pdf
- https://cdn.shopify.com/s/files/1/0434/0377/2056/files/kewomu.pdf
- https://cdn.shopify.com/s/files/1/0435/6676/0095/files/syllogism_rules_bankersadda.pdf
- https://cdn.shopify.com/s/files/1/0432/5982/2244/files/flash_ms_pacman.pdf
- https://cdn.shopify.com/s/files/1/0428/5104/1447/files/vobekaminedi.pdf
- https://cdn.shopify.com/s/files/1/0429/2490/0515/files/digibug.pdf
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/2446269071.pdf
- https://cdn.shopify.com/s/files/1/0430/8543/0945/files/69960437891.pdf
- https://cdn.shopify.com/s/files/1/0430/3434/5625/files/rolex_ayo_and_teo_audiomack.pdf
- https://cdn.shopify.com/s/files/1/0432/1322/6152/files/39656395210.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_off00007d1d.bin` `03c77e7843c39d2dafe7c65649454f0db0c57611523c2cf264419c840cfac8c8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D1D	5224 bytes
`font_01_sfnt_off00008ec5.bin` `fa2965b11983667a73740b32744b65e766646ebc0ceb7122f93e675458f8dc20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EC5	10332 bytes

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