MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a large number of embedded links, many pointing to external PDF files. One of these links directs to a known malicious redirector. The document body contains text related to reporting accuracy and specificity, which may be used as a lure. The presence of a link farm and a malicious redirector suggests an attempt to drive traffic to malicious content, potentially for phishing or SEO poisoning.
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.cc/pify?keyword=reporting+accuracy+sensitivity+specificity
- http://runavun.growth-ministries.org/uploads/1/3/2/7/132712237/d0ac9dd3.pdf
- http://files.hutchmade.com/uploads/1/3/0/7/130739348/ninesif.pdf
- http://files.yamawarashi.com/uploads/1/3/0/8/130874257/572234d6.pdf
- https://cdn.shopify.com/s/files/1/0437/0412/3557/files/agriculture_urbaine.pdf
- https://cdn.shopify.com/s/files/1/0437/1814/8247/files/37167567759.pdf
- https://cdn.shopify.com/s/files/1/0433/8424/2325/files/nugapolapemi.pdf
- https://cdn.shopify.com/s/files/1/0430/0367/4785/files/80269125432.pdf
- https://cdn.shopify.com/s/files/1/0437/3594/1285/files/8389158320.pdf
- https://cdn.shopify.com/s/files/1/0452/3006/3773/files/bank_exam_question_and_answer_download.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2676/files/cartoon_crew_song_pagalworld.pdf
- https://cdn.shopify.com/s/files/1/0437/8296/3361/files/90024644284.pdf
- https://cdn.shopify.com/s/files/1/0436/1509/2893/files/56766494287.pdf
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/temaradibikimok.pdf
- https://cdn.shopify.com/s/files/1/0429/4790/3644/files/ansys_18_workbench_tutorial.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_off00006561.binc142a59fab6758579328e8fef5da021e94cc59855b41d328e6a3d1a59655d5b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6561 | 5320 bytes |
font_01_sfnt_off000077a2.bin38e1159e03c2cefa9e8886c9ad7f79ebcbcad425b869768f11c5657a10c3e894 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77A2 | 10228 bytes |
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