MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with a critical heuristic firing for a PDF link farm. One of these links, 'https://ttraff.cc/pify?keyword=ontology+definition+pdf', points to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated but contains the same URL, suggesting a lure to a malicious site.
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=ontology+definition+pdf
- http://kibujage.andrewmoschetti.com/uploads/1/3/0/8/130814328/sonimitodesuzavo.pdf
- http://files.trails4tailsfest.org/uploads/1/3/1/0/131070918/wululi.pdf
- http://kabegafod.northvicgps.com/uploads/1/3/0/7/130740117/nuwuz.pdf
- http://files.jayadeviarts.com/uploads/1/3/1/8/131856713/4f2a73c.pdf
- https://cdn.shopify.com/s/files/1/0432/5156/4707/files/adobe_lightroom.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0432/files/52759163675.pdf
- https://cdn.shopify.com/s/files/1/0431/1197/3026/files/comparing_fractions_worksheet_grade_6.pdf
- https://cdn.shopify.com/s/files/1/0434/8438/1337/files/poenulus_plauto.pdf
- https://cdn.shopify.com/s/files/1/0428/7958/2374/files/zifik.pdf
- https://cdn.shopify.com/s/files/1/0431/1000/6940/files/logesetukafefa.pdf
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/99594757674.pdf
- https://cdn.shopify.com/s/files/1/0433/9597/3283/files/al_arabiyyah_bayna_yadayk_book_3.pdf
- https://cdn.shopify.com/s/files/1/0435/7901/5327/files/d_d_purple_dragon_knight.pdf
- https://cdn.shopify.com/s/files/1/0431/3448/4648/files/acharya_prashant_books_download.pdf
- https://cdn.shopify.com/s/files/1/0435/0191/2224/files/79001799352.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_off0000c292.bin58abbb5f8f08a4c1d499694b864c0963a1a259b0e31f9e50dd887bd4f507f055 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC292 | 4856 bytes |
font_01_sfnt_off0000d33b.bin34c915e6908d30cf803e194d96ccc83d218246f19a028c073683b245a9e361a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD33B | 13576 bytes |
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