MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Facebook auto liker for android free' and includes the malicious URL, suggesting a lure for phishing or malware download. 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.com/pify?keyword=facebook+auto+liker+for+android+free
- http://files.cdcofcolumbia.com/uploads/1/3/0/7/130740116/c5da3.pdf
- http://wonalir.iframi.fr/uploads/1/3/0/7/130740019/sutot.pdf
- http://files.livehappyandhealthyish.com/uploads/1/3/1/3/131379781/5371889.pdf
- http://files.tanglewoodvillage.com/uploads/1/3/1/6/131606630/boxato-riguxo.pdf
- http://pomoj.hir-ent.com/uploads/1/3/0/7/130738714/f554a6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0449/2158/5831/files/guia_ceneval_pedagogia.pdf
- https://cdn.shopify.com/s/files/1/0433/2421/1354/files/dufek.pdf
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/xcode_environment_variables.pdf
- https://cdn.shopify.com/s/files/1/0429/2709/5967/files/rawavakosodomaroguvizud.pdf
- https://cdn.shopify.com/s/files/1/0431/5129/4619/files/54970649284.pdf
- https://cdn.shopify.com/s/files/1/0438/0858/7933/files/50272483907.pdf
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/1903799273.pdf
- https://cdn.shopify.com/s/files/1/0435/2563/6248/files/mujerimesoratufa.pdf
- https://cdn.shopify.com/s/files/1/0438/0858/7933/files/98480021107.pdf
- https://cdn.shopify.com/s/files/1/0428/0690/2950/files/isolation_of_amylose_and_amylopectin_from_starch.pdf
- https://cdn.shopify.com/s/files/1/0434/1710/8642/files/78241986962.pdf
- https://cdn.shopify.com/s/files/1/0431/6197/6994/files/favozapor.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_off0000688c.bin33af09d40ebb2aa8687ba98518757a5dd5d8845450b8f9f2792a1549328ba8d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x688C | 4996 bytes |
font_01_sfnt_off00007992.bin705062aadc260f1eef25390c4d1954c7e9fd07210fc5cc8acda56c95063b93a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7992 | 12236 bytes |
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