MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that lead to a redirector, which is a common technique for delivering malicious payloads or phishing pages. The document body text, though partially corrupted, suggests a lure related to an 'internet essentials application form'. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a deliberate attempt to distribute content through multiple external URLs. No scripts were extracted, but the primary attack vector appears to be social engineering via deceptive links.
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.ru/pify?keyword=internet+essentials+application+form
- http://files.mossandivyhome.com/uploads/1/3/2/7/132712209/wepufixajikubo_wazixokogerop_fatirugu_pajopawawi.pdf
- http://files.kennel-midepra.com/uploads/1/3/1/4/131437377/vukigufusural.pdf
- https://cdn.shopify.com/s/files/1/0428/3056/1447/files/bryson_tiller_don_t_mp3.pdf
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/23260328626.pdf
- https://cdn.shopify.com/s/files/1/0434/1330/7541/files/15916216081.pdf
- https://cdn.shopify.com/s/files/1/0431/5014/7745/files/convert_to_editable_word_document_for_free.pdf
- https://cdn.shopify.com/s/files/1/0438/8428/2008/files/android_developer_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0432/4176/7072/files/jimuzat.pdf
- https://cdn.shopify.com/s/files/1/0436/5592/1817/files/zibapunalisak.pdf
- https://cdn.shopify.com/s/files/1/0434/0632/7959/files/libro_los_compas_y_el_diamantito_legendario.pdf
- https://cdn.shopify.com/s/files/1/0432/4936/9252/files/pakimubopadajisiwananiz.pdf
- https://cdn.shopify.com/s/files/1/0431/2494/9153/files/transformar_angulos_centesimales_a_sexagesimales.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_off00007b85.bin2168b25ec6516cfbfed81e82be0215583e08ada798acb612f993ca4e6c88b28a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B85 | 5100 bytes |
font_01_sfnt_off00008cc0.bin7f3317214403dd08c2f26d39939997e84e821d687ef63f20d07a513d1baab4c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CC0 | 10956 bytes |
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