MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a critical heuristic firing for a malicious redirector link, which points to `https://ttraff.cc/pify?keyword=servi%25C3%25A7o+social+e+meio+ambiente+livro+pdf`. The document also exhibits characteristics of a link farm, embedding numerous external PDF links, many of which are hosted on Shopify. The primary malicious link likely serves as a lure to download further malicious content or redirect to phishing sites.
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=servi%25C3%25A7o+social+e+meio+ambiente+livro+pdf
- http://files.va-sg.com/uploads/1/3/0/9/130969357/f9274d888565e.pdf
- http://files.sflat.net/uploads/1/3/1/6/131606874/kabasinopizevu-jinabobavibapem.pdf
- http://files.internallyflawless.net/uploads/1/3/1/3/131380213/98ac0e858fec17.pdf
- http://fovabas.turlocktransit.com/uploads/1/3/1/0/131070356/4954615.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/3159/2088/files/71828018429.pdf
- https://cdn.shopify.com/s/files/1/0434/5780/6502/files/39491277587.pdf
- https://cdn.shopify.com/s/files/1/0428/4953/4111/files/67549113489.pdf
- https://cdn.shopify.com/s/files/1/0438/2159/6834/files/65808965241.pdf
- https://cdn.shopify.com/s/files/1/0428/4848/5535/files/fobexexojuturuz.pdf
- https://cdn.shopify.com/s/files/1/0427/4877/2519/files/76606008361.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/murizuzaridexu.pdf
- https://cdn.shopify.com/s/files/1/0432/9907/8299/files/ganofubezaxofewukasa.pdf
- https://cdn.shopify.com/s/files/1/0432/1922/2687/files/asignatura_estatal.pdf
- https://cdn.shopify.com/s/files/1/0434/4443/7142/files/pikalujomukijavib.pdf
- https://cdn.shopify.com/s/files/1/0433/2909/3800/files/problemas_de_caida_libre_fisica_resueltos.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_off0000474f.bincc2e9243140ef817ca207a4a5806a166fac7e7ed920eeac34c86718f6050cb36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x474F | 5788 bytes |
font_01_sfnt_off00005aa9.bindbc6cee26da2ad25f55760fc6c52a3e458e95b32461a9e5e9de52eee9df950e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AA9 | 11932 bytes |
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