MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/wb?keyword=european%20union%20politics%202016%20pdf', which is also flagged as malicious. This suggests the document's primary purpose is to redirect users to malicious sites through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=european%20union%20politics%202016%20pdf
- http://mapezew.iypforum.org/uploads/1/3/1/4/131406947/wumevafote.pdf
- http://xitebati.totalmotorcare.co.uk/uploads/1/3/2/8/132814930/pojamenorosefe.pdf
- http://files.donamarafriedman.com/uploads/1/3/1/6/131606360/6886419.pdf
- https://cdn.shopify.com/s/files/1/0432/8790/4422/files/takavopogu.pdf
- https://cdn.shopify.com/s/files/1/0430/5682/4471/files/kesulib.pdf
- https://cdn.shopify.com/s/files/1/0434/3185/4247/files/6711921344.pdf
- https://cdn.shopify.com/s/files/1/0433/9567/8357/files/mijovotatafukefananajuw.pdf
- https://cdn.shopify.com/s/files/1/0430/2818/5239/files/91574169888.pdf
- https://cdn.shopify.com/s/files/1/0431/2806/2109/files/17377704573.pdf
- https://cdn.shopify.com/s/files/1/0433/7070/9142/files/xawukemigazadexefofoji.pdf
- https://cdn.shopify.com/s/files/1/0435/3346/7808/files/lemimaruso.pdf
- https://cdn.shopify.com/s/files/1/0433/2368/7067/files/93988522934.pdf
- https://cdn.shopify.com/s/files/1/0434/7199/5033/files/business_plan_for_startup_company.pdf
- https://cdn.shopify.com/s/files/1/0430/8592/2466/files/lawozilawusavuwerekup.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_off00006cd9.bind745f7d363f9f39cb838654c78e569d0cf223ee720b6080a242ab423d37c7e68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD9 | 5588 bytes |
font_01_sfnt_off00007ff1.bin7d8c37d386fcbef0e13957609b9b68a0f51cc83c9236b5618539d1e2a054ef19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FF1 | 10228 bytes |
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