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, pointing to ttraff.com. The document body, though heavily obfuscated, contains the same URL and keywords suggesting a lure for "ccna security practice labs pdf". The presence of a large number of external PDF links, many hosted on cdn.shopify.com, indicates a link farm strategy. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=ccna+security+practice+labs+pdf
- http://files.doulanathalie.com/uploads/1/3/1/4/131437864/pozomitapike.pdf
- http://files.bellacalore.com/uploads/1/3/0/8/130814279/mumubimogamu-fupedevumebat-ropetiwajo.pdf
- http://files.nationalmustangday.com/uploads/1/3/0/7/130739147/satofurog.pdf
- https://cdn.shopify.com/s/files/1/0431/6997/2392/files/78544918680.pdf
- https://cdn.shopify.com/s/files/1/0437/0091/2278/files/ayodhya_kanda_in_telugu.pdf
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/joreremibula.pdf
- https://cdn.shopify.com/s/files/1/0450/8984/9509/files/o_meio_ambiente.pdf
- https://cdn.shopify.com/s/files/1/0438/6213/0848/files/17458594819.pdf
- https://cdn.shopify.com/s/files/1/0428/7237/3411/files/28001175543.pdf
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/pm_awas_yojana_gramin_online_form_2019.pdf
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/2480898912.pdf
- https://cdn.shopify.com/s/files/1/0432/8207/1716/files/67252996340.pdf
- https://cdn.shopify.com/s/files/1/0430/4371/7274/files/bioelectronics_book.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_off0000664f.bin739be8c7618918329bacfa6101468deea676753c64902f173e28294c2c5f6125 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664F | 5296 bytes |
font_01_sfnt_off0000784f.bin684f4bbad0461a64964931522c563f1b44591f28883f3644f58d70fcdf5540fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x784F | 10376 bytes |
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