MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, with a critical heuristic firing for a PDF link farm. One of these links, 'https://ttraff.com/pify?keyword=worksheet+on+possessive+nouns+pdf', points to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text related to 'worksheet on possessive nouns pdf', suggesting a lure.
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=worksheet+on+possessive+nouns+pdf
- http://files.balerno-communitycouncil.org.uk/uploads/1/3/0/8/130874411/9441481.pdf
- http://files.lionsmarkcontracting.com/uploads/1/3/2/6/132681728/lazotomo_sijosi_fatupa.pdf
- http://files.talking-feet.com/uploads/1/3/0/8/130813526/kipusakixow.pdf
- http://files.talking-feet.com/uploads/1/3/0/8/13081
- https://cdn.shopify.com/s/files/1/0434/1373/3533/files/25569247294.pdf
- https://cdn.shopify.com/s/files/1/0430/0819/6767/files/wigesagorebujivi.pdf
- https://cdn.shopify.com/s/files/1/0429/8381/7375/files/14460471333.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zupapinited.pdf
- https://cdn.shopify.com/s/files/1/0431/4021/9037/files/lokeripuwolasu.pdf
- https://cdn.shopify.com/s/files/1/0432/1555/2674/files/13898108336.pdf
- https://cdn.shopify.com/s/files/1/0430/8389/0850/files/gukefamigomogol.pdf
- https://cdn.shopify.com/s/files/1/0440/1030/7749/files/95111259136.pdf
- https://cdn.shopify.com/s/files/1/0435/4949/1359/files/dusokataduwi.pdf
- https://cdn.shopify.com/s/files/1/0429/9603/9839/files/40680096564.pdf
- https://cdn.shopify.com/s/files/1/0431/1810/0637/files/puminerimi.pdf
- https://cdn.shopify.com/s/files/1/0430/4224/2709/files/zekupokuvibasorimigavibud.pdf
- https://cdn.shopify.com/s/files/1/0437/7821/1991/files/20418529844.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_off000066ba.binaf502a8f1496bd46c773fcedba659ab749c62d72e569f64333fe07d2001e2453 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66BA | 4904 bytes |
font_01_sfnt_off00007774.bin5c3077e6e7fc3632ff0b0f03669bfc08918262a4a8604331e8660a116f266249 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7774 | 10156 bytes |
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