MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, including one pointing to a known malicious redirector. The document body, though partially corrupted, suggests a lure for free worksheets, which is a common social engineering tactic. The presence of a large number of external PDF links further indicates a link farm designed to drive traffic to malicious infrastructure.
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=free+printable+fifth+grade+worksheets
- http://files.wilcoprevention.org/uploads/1/3/1/4/131437740/29b296.pdf
- http://files.givshighcaliberbeagles.com/uploads/1/3/1/4/131407965/2621747.pdf
- http://files.altaanz.org/uploads/1/3/0/7/130739740/dewafudabota.pdf
- http://files.anythinggoescustomcycles.com/uploads/1/3/1/8/131857193/relifefotadob.pdf
- http://files.lhsfootball.us/uploads/1/3/1/3/131398540/dezep_kidageren_gopulubarumuj_bamuxajexunimu.pdf
- http://files.sbkherbals.com/uploads/1/3/0/8/130814674/tevupufulomajot-viguzipeneged-mutesomagug-mupagik.pdf
- http://files.saltwatersurfart.net/uploads/1/3/0/7/130775633/dixivisiriniralov.pdf
- http://files.wapentakeleeds.co.uk/uploads/1/3/2/6/132681316/9631786.pdf
- https://beluxubaw.files.wordpress.com/2020/06/89305182276.pdf
- https://xilegit.files.wordpress.com/2020/06/28072830195.pdf
- https://netupobupu.files.wordpress.com/2020/07/20285808793.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37144816260.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rumifagekesodurelakalon.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/duwaxufezemurogagur.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83971047952.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32829552166.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_off00007524.binba7f08fb1f35728d9a4a6c1bd2c4b185708423a7efa7a02d44b133dc5f340d07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7524 | 5344 bytes |
font_01_sfnt_off0000874a.binbf596ed23f17fb0e3935bf052d83a526fc075bd64861817ed5f80bfa0b0fa43e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x874A | 10548 bytes |
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