PDF malware analysis — malicious · 155eec3bf2a35e83

MALICIOUS

PDF

38.5 KB Created: 2020-08-25 09:29:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 388b5c96f70e4109b786442245fc3c42 SHA-1: 7a80e6d4f9ce4b9071f4547813ff5e9ed5db4e33 SHA-256: 155eec3bf2a35e837edefd44d61b43644cc5e174c52bc451aecc79cebb360002

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.ru/pify?keyword=the+5th+wave+book+1+pdf, which is flagged as malicious. The document body and embedded links suggest a tactic to drive traffic to malicious sites under the guise of providing book resources. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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.ru/pify?keyword=the+5th+wave+book+1+pdf
- http://mapopej.amydowell.com/uploads/1/3/0/9/130969627/gajigumogixape_wolitafisipa_dexux.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/6563/7019/files/14143112891.pdf
- https://cdn.shopify.com/s/files/1/0463/2608/7841/files/modified_overt_aggression_scale.pdf
- https://cdn.shopify.com/s/files/1/0440/3236/0613/files/soxulabulovogifube.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/zutaf.pdf
- https://cdn.shopify.com/s/files/1/0438/1409/2960/files/simon_xt_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/difarupasokibexobo.pdf
- https://cdn.shopify.com/s/files/1/0437/0730/2037/files/tolon.pdf
- https://cdn.shopify.com/s/files/1/0433/8103/1064/files/35116663640.pdf
- https://cdn.shopify.com/s/files/1/0430/3582/0185/files/zojusemuzezujoseje.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_off00005977.bin` `eba5f58fac8c25ab517246bd09027a77192b3d3d27414698ef6c09bdb6937e91`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5977	5304 bytes
`font_01_sfnt_off00006ba4.bin` `949269cebbce10a8897d9e1ef9f77d0d741318e5678ae1d96c849a7c924584b5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BA4	10076 bytes

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