MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a known malicious redirector. The document body, though partially corrupted, contains text related to academic dates and the authoring application, suggesting a lure to disguise the malicious links. The presence of a link farm heuristic further supports the malicious intent of directing users to external, potentially harmful, sites.
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=mdu+date+sheet+reappear+6th+sem+2019
- http://gaduwoz.hillsideauto.org/uploads/1/3/1/4/131411150/3e12a733e3801.pdf
- http://files.shannonedwardsphotography.com/uploads/1/3/1/8/131858044/leditoto.pdf
- http://pogediw.tamara-vasquez.com/uploads/1/3/0/7/130776089/3befbb40ebea59.pdf
- http://files.lusakaliving.com/uploads/1/3/0/8/130815014/zageki.pdf
- https://cdn.shopify.com/s/files/1/0429/9007/6057/files/38724342689.pdf
- https://cdn.shopify.com/s/files/1/0431/0332/2269/files/37834509385.pdf
- https://cdn.shopify.com/s/files/1/0428/8249/8716/files/91773516210.pdf
- https://cdn.shopify.com/s/files/1/0430/8969/0773/files/68723288978.pdf
- https://cdn.shopify.com/s/files/1/0430/8575/8628/files/gigowenixikazepegidisug.pdf
- https://cdn.shopify.com/s/files/1/0433/0700/8168/files/ada_compliance_checker.pdf
- https://cdn.shopify.com/s/files/1/0437/0097/7816/files/8871413193.pdf
- https://cdn.shopify.com/s/files/1/0433/4426/5366/files/calculus_early_transcendentals_11th_edition_anton.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_off00006008.bin0709a7a93688398b73fbea1adef282ff02eea4371cbe959a9a8c6a3b9856dc53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6008 | 5808 bytes |
font_01_sfnt_off000073ad.bincb2f6eba54b9c0c75df6971ae47c49629d5d2558c2ffeead5eb70d7c24184cda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73AD | 11328 bytes |
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