MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and heuristics indicate it contains a large number of external links, forming a link farm. One of these links points to a known malicious redirector. The document body contains obfuscated text and embedded URLs, including the malicious redirector and several Shopify-hosted PDF files, suggesting a delivery mechanism for further malicious content.
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/pify?keyword=newry+reporter+old+photos
- http://lojij.talachedairygoats.com/uploads/1/3/0/8/130874629/6776047.pdf
- https://cdn.shopify.com/s/files/1/0431/3628/6877/files/dowatoraburojag.pdf
- https://cdn.shopify.com/s/files/1/0433/7437/9157/files/capitis_deminutio.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/1634423838.pdf
- https://cdn.shopify.com/s/files/1/0433/3692/5342/files/40616325309.pdf
- https://cdn.shopify.com/s/files/1/0427/9461/4940/files/82995973890.pdf
- https://cdn.shopify.com/s/files/1/0431/7865/5903/files/study_guide_and_intervention_answers_algebra_2.pdf
- https://cdn.shopify.com/s/files/1/0430/3467/3301/files/tanozemilapirajenusef.pdf
- https://cdn.shopify.com/s/files/1/0431/6971/0242/files/34868527579.pdf
- https://cdn.shopify.com/s/files/1/0437/6847/9893/files/55833681772.pdf
- https://cdn.shopify.com/s/files/1/0431/0794/2549/files/taworiboxexapusesex.pdf
- https://cdn.shopify.com/s/files/1/0440/8911/4789/files/mathematical_induction_worksheet.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_off00004f39.bin9ba4c66ff2ceec938385abe7f811e9b9b12897723336b95c4638d5f403b90644 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F39 | 5000 bytes |
font_01_sfnt_off0000604e.bin123fa21310e10a1cfa7ecfa96c4bd2b517c9527027c7220e1ab5249821d2c256 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604E | 9960 bytes |
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