MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a 'sample teacher lesson plan template'. This heuristic, combined with the ML classifier flagging the PDF as malicious, strongly suggests a phishing or social engineering attack. The document body also contains numerous links to external PDF files, indicating a link farm designed to potentially distribute further malicious content or engage in SEO manipulation.
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=sample+teacher+lesson+plan+template
- http://files.phchastings.org/uploads/1/3/0/9/130969573/b4f516e65e2266.pdf
- http://boxes.chapelheightsumceauclaire.com/uploads/1/3/1/3/131379290/sebefoxadej.pdf
- https://cdn.shopify.com/s/files/1/0433/8548/7516/files/66542175097.pdf
- https://cdn.shopify.com/s/files/1/0428/6706/4991/files/dnd_giant_rat.pdf
- https://cdn.shopify.com/s/files/1/0438/1189/7504/files/rubemamuvopapus.pdf
- https://cdn.shopify.com/s/files/1/0433/4505/1797/files/49408902637.pdf
- https://cdn.shopify.com/s/files/1/0438/2159/6834/files/coordinate_geometry_notes_for_ssc_cgl.pdf
- https://cdn.shopify.com/s/files/1/0439/8658/3710/files/coronally_advanced_flap.pdf
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/1_to_1000_numbers_in_english_words_download.pdf
- https://cdn.shopify.com/s/files/1/0432/6142/7867/files/wuvufozetatixipamuwo.pdf
- https://cdn.shopify.com/s/files/1/0430/7759/9383/files/english_speaking_practice_at_home.pdf
- https://cdn.shopify.com/s/files/1/0433/6759/6184/files/watermark_powerpoint.pdf
- https://cdn.shopify.com/s/files/1/0432/6404/9318/files/xisatuvedepuxoripito.pdf
- https://cdn.shopify.com/s/files/1/0440/5503/6054/files/suzabuvikikowifatope.pdf
- https://cdn.shopify.com/s/files/1/0430/2526/8889/files/cabeza_de_vaca_la_relacion.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_off00005fdc.binbbc423d96a17605d7f37d7749b294905352f4fb37ae789fdc15c18c3fe8ff7fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FDC | 5276 bytes |
font_01_sfnt_off000071a2.bind9effef088ceef376e0eef6d370862f9c8fb52767dd6e4dca37f2a51a8d7c136 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71A2 | 13960 bytes |
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