MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, `https://ttraff.cc/pify?keyword=mathe+bruchrechnen+aufgaben+pdf`, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The presence of numerous links, including those to Shopify domains, indicates a link farm designed to obscure the ultimate destination and potentially leverage benign-looking domains for malicious purposes.
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=mathe+bruchrechnen+aufgaben+pdf
- http://files.tide-lander.com/uploads/1/3/0/8/130874633/5276751.pdf
- http://files.sphsmusicboosters.com/uploads/1/3/1/4/131482915/ec4ec792.pdf
- http://files.sparklecleaning.net/uploads/1/3/0/8/130874205/3d28f.pdf
- http://files.radio91.net/uploads/1/3/0/8/130814466/6101489.pdf
- http://belarotu.tlcsupportservices.org/uploads/1/3/0/8/130874524/kusiji.pdf
- https://cdn.shopify.com/s/files/1/0429/3728/6812/files/wow_encrusted_coin_vendor.pdf
- https://cdn.shopify.com/s/files/1/0436/5638/0574/files/garvin_nuvi_760.pdf
- https://cdn.shopify.com/s/files/1/0432/2341/6995/files/haunted_chuck_palahniuk_free.pdf
- https://cdn.shopify.com/s/files/1/0438/5210/3845/files/gemagubitutitukisebe.pdf
- https://cdn.shopify.com/s/files/1/0438/0560/6049/files/statistical_functions_in_excel.pdf
- https://cdn.shopify.com/s/files/1/0434/9476/8792/files/lokusifupepodenofomitolat.pdf
- https://cdn.shopify.com/s/files/1/0431/2884/8538/files/dizovibolikumimerar.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nozawilod.pdf
- https://cdn.shopify.com/s/files/1/0434/6845/6086/files/34647733678.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_off00005f44.bina9cb6439be3bbefb6bea49de9d0e5877aa1b7670b0c817ca2a1f6d4e8aff35bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F44 | 5352 bytes |
font_01_sfnt_off0000717f.bin919065d9826b598929b7a03f5115781e08d2192c8108d4446cacf9f80c225576 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x717F | 10812 bytes |
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