MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body and embedded links suggest a lure to download a textbook, but the primary link redirects to 'ttraff.cc', a known malicious redirector. This indicates a phishing or social engineering attack aiming to lead the user to malicious content.
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=organic+chemistry+2nd+edition+david+klein+pdf
- http://files.designtimegnc.com/uploads/1/3/0/8/130874026/4512394.pdf
- http://files.mapletreemw.com/uploads/1/3/1/4/131438541/5995039.pdf
- http://files.positiveposturenz.com/uploads/1/3/1/4/131483550/sivaf_polatafi_zuwovil.pdf
- https://cdn.shopify.com/s/files/1/0434/3565/5335/files/baboker.pdf
- https://cdn.shopify.com/s/files/1/0430/7176/6690/files/73514079904.pdf
- https://cdn.shopify.com/s/files/1/0440/3996/2774/files/mofebapebenobikuk.pdf
- https://cdn.shopify.com/s/files/1/0429/7624/7971/files/2127088977.pdf
- https://cdn.shopify.com/s/files/1/0430/7956/5465/files/can_you_copy_and_paste_from_kindle.pdf
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/tatimoseruvu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ziduvawijixivobufanevi.pdf
- https://cdn.shopify.com/s/files/1/0432/2131/9839/files/magic_weapon_ds3.pdf
- https://cdn.shopify.com/s/files/1/0436/8406/9526/files/33542386179.pdf
- https://cdn.shopify.com/s/files/1/0433/8666/7158/files/konowuxatitibatefikap.pdf
- https://cdn.shopify.com/s/files/1/0433/5920/7582/files/79560737728.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54341666742.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_off00005118.bin7f4044943e6a46bea605673d4950370e7453a3ef075f8262efda414a62777f46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5118 | 5952 bytes |
font_01_sfnt_off00006541.bin3d3f6d003cf41fb8d9f3356b2a94c86cd997f65f3e786e7d94cd5de5fb223dd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6541 | 9700 bytes |
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