MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is further supported by the presence of a PDF link farm. The document body, though heavily obfuscated, contains text related to a 'medical assistant certification study guide pdf' and a URL that appears to be a redirector. The primary malicious activity observed is the redirection of users to potentially harmful content via the ttraff.cc domain.
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=medical+assistant+certification+study+guide+pdf
- http://ledunivit.beckyyates.com/uploads/1/3/2/7/132740185/tijivemutufu-suxelisewefalu.pdf
- http://files.blackdogfabrication.com/uploads/1/3/1/3/131383727/9228740.pdf
- http://vexir.bauermeistertree.com/uploads/1/3/1/6/131607305/3d4182c819.pdf
- http://files.more-cb.com/uploads/1/3/1/4/131437484/galogi-fozubisomu-bolisuxumer-libasikibeva.pdf
- https://cdn.shopify.com/s/files/1/0431/7839/3749/files/gstr_9a_annual_return.pdf
- https://cdn.shopify.com/s/files/1/0429/8519/3621/files/10299855546.pdf
- https://cdn.shopify.com/s/files/1/0432/6073/9752/files/unblock_phone_numbers_on_android.pdf
- https://cdn.shopify.com/s/files/1/0461/8587/3561/files/94937365440.pdf
- https://cdn.shopify.com/s/files/1/0428/8161/3987/files/58682572800.pdf
- https://cdn.shopify.com/s/files/1/0430/8769/1925/files/14751091128.pdf
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/83463868552.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000619a.bin60f1a4180ae63468c36852450d9e6cd59965ed8f8d47fac14f225fe75ae9b165 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619A | 5312 bytes |
font_01_sfnt_off000073ba.bin4753c33dfbd4411c2e36eec640970a46db2afb9e7aae6380ae1958d977779e2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73BA | 10396 bytes |
font_02_sfnt_off00009723.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9723 | 4324 bytes |
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