PDF malware analysis — malicious · 906783c15b0cb13e

MALICIOUS

PDF

43.6 KB Created: 2020-08-08 15:56:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9ea2f886b8129e72284ce18a783f1d6c SHA-1: a271fa4042039162e85ee5f858d57470c4c23b98 SHA-256: 906783c15b0cb13e76f395cae7f606f765c6a460703b1d8e6257e1e237f5fce2

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded URL `https://ttraff.com/pify?keyword=apple+support+convert+pdf+to+word` is designed to appear as a legitimate service but leads to a malicious site. The PDF also contains a link farm, a common tactic for SEO poisoning or distributing malicious content. No scripts were extracted, but the presence of malicious redirector links strongly suggests a phishing or malware distribution attempt.

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=apple+support+convert+pdf+to+word
- http://files.ccharveyministries.org/uploads/1/3/0/7/130740073/tubojodujodilo-sesijemogugu.pdf
- http://files.amanda-g.net/uploads/1/3/1/3/131383541/wapebevomarate_xudusobizabo_gobevo_wamitugul.pdf
- http://files.egnicksdtp.com/uploads/1/3/0/9/130969735/pusaruwevagubor.pdf
- http://xaloral.danielyanezgonzalez.co.uk/uploads/1/3/0/7/130738837/1673871.pdf
- http://files.yifudesign.com/uploads/1/3/0/7/130775025/bd4f3c4b92142d.pdf
- https://cdn.shopify.com/s/files/1/0428/4763/3575/files/53533919833.pdf
- https://cdn.shopify.com/s/files/1/0429/2552/3103/files/10765783801.pdf
- https://cdn.shopify.com/s/files/1/0430/6783/4517/files/move_on_wiz.pdf
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/25581128544.pdf
- https://cdn.shopify.com/s/files/1/0429/2925/8649/files/xegixopedo.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1715/files/83500847620.pdf
- https://cdn.shopify.com/s/files/1/0437/8198/0317/files/astrazeneca_logo.pdf
- https://cdn.shopify.com/s/files/1/0428/5952/8355/files/kadiririnozuretaba.pdf
- https://cdn.shopify.com/s/files/1/0433/1533/1227/files/32030832614.pdf
- https://cdn.shopify.com/s/files/1/0431/1167/8114/files/67639787432.pdf
- https://cdn.shopify.com/s/files/1/0434/4266/7676/files/jajemexiruziratet.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_off0000677a.bin` `1e7796c024eb0b42383b802ef5e2bd100c5e0d84a2811219a890383aed919bf6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x677A	5080 bytes
`font_01_sfnt_off000078f0.bin` `3da813cb9ba153c29e37884d8a358ceea10760142faa83316876046c15e2e8b9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78F0	12836 bytes

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