MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The primary malicious URL identified is https://ttraff.cc/pify?keyword=el+quijote+apocrifo+de+avellaneda.+pdf, which likely serves as a lure to a phishing or malware distribution site. The ML classifier also strongly indicated maliciousness.
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=el+quijote+apocrifo+de+avellaneda.+pdf
- http://files.familycenteredconsultingservices.com/uploads/1/3/1/6/131607158/lifewe.pdf
- http://buvarib.patinamarquet.com/uploads/1/3/2/6/132683188/kufutivobafimax-feviw-wugazetojudubug-dofikedamabil.pdf
- http://files.ccmein.org/uploads/1/3/2/3/132303092/5909107.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8529/9874/files/gewojunowekifamofewa.pdf
- https://cdn.shopify.com/s/files/1/0435/1390/5311/files/dojudefafubuxu.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/40417968525.pdf
- https://cdn.shopify.com/s/files/1/0428/0408/4899/files/pegasukubugaluxisuvu.pdf
- https://cdn.shopify.com/s/files/1/0431/9150/0961/files/7990631010.pdf
- https://cdn.shopify.com/s/files/1/0441/3734/9272/files/2k16_vc_generator.pdf
- https://cdn.shopify.com/s/files/1/0434/9899/5864/files/fusalu.pdf
- https://cdn.shopify.com/s/files/1/0432/8092/4837/files/76822827161.pdf
- https://cdn.shopify.com/s/files/1/0433/9607/1578/files/axel_f_midi.pdf
- https://cdn.shopify.com/s/files/1/0438/8188/9960/files/analogias_numericas_y_graficas_ejercicios_resueltos.pdf
- https://cdn.shopify.com/s/files/1/0428/5700/5222/files/98070629227.pdf
- https://cdn.shopify.com/s/files/1/0434/7399/3890/files/59582145790.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008b67.bine60dfb7d53c9ebac6463c7cff2e4527f8cfd90900ada4c2abd5dbff3e93ec300 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B67 | 5220 bytes |
font_01_sfnt_off00009d4d.binc409c78459c7fc09181f8980f8485ccb13597cdc927a943701cf43cf6309131f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D4D | 11368 bytes |
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