PDF malware analysis — malicious · 6dd27c7ac02b569a

MALICIOUS

PDF

59.3 KB Created: 2020-08-20 00:22:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7d1938ed37bb024adf6fdb43f4ea4f5b SHA-1: efc84112f51a0af489b24cbab8241480f3e887e9 SHA-256: 6dd27c7ac02b569ac750c4152cb948270c1a43dce0562315c8b3e6d37972e383

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

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 same URL. The presence of multiple external PDF links suggests a link farm or SEO poisoning attempt, further supported by the 'PDF_SEO_LINK_FARM' heuristic. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
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=hyperlipidaemia+nice+guidelines
- http://pigoz.simonperathoner.com/uploads/1/3/2/3/132303054/3546616.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9304/8992/files/ditupukiwexixukimijunetid.pdf
- https://cdn.shopify.com/s/files/1/0431/0473/1300/files/fiwuluniropupepib.pdf
- https://cdn.shopify.com/s/files/1/0435/5581/5583/files/mepabagisawapoxirexeratud.pdf
- https://cdn.shopify.com/s/files/1/0432/9101/7374/files/raxewu.pdf
- https://cdn.shopify.com/s/files/1/0440/3301/5958/files/mean_of_list_python.pdf
- https://cdn.shopify.com/s/files/1/0431/0568/1557/files/talobexawojonunowop.pdf
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/54367139500.pdf
- https://cdn.shopify.com/s/files/1/0435/5486/5320/files/59039990482.pdf
- https://cdn.shopify.com/s/files/1/0446/7530/1539/files/busqueda_avanzada_google.pdf
- https://cdn.shopify.com/s/files/1/0433/3849/8206/files/56470790330.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_off00009c88.bin` `4e67144283d0b22c5bfaef233ebee100a6b3279b078edf5430c5ec94ede34387`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C88	5456 bytes
`font_01_sfnt_off0000aeff.bin` `7aa9fcab2c47cbc36b83cf8369eab17bc1db5d2417ecc0159b84363368aa06e9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAEFF	15076 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.