MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body text, though garbled, includes 'Schedule c form 1040 pdf', suggesting a lure to trick users into clicking the malicious link. The presence of a mass external PDF link farm further supports a malicious intent to distribute harmful content. No scripts were extracted, but the PDF structure and embedded links are sufficient to infer a phishing or redirection attack.
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=schedule+c+form+1040+pdf
- http://setefosin.nataliereynoso.com/uploads/1/3/0/9/130969060/nosanidunuwotimo.pdf
- http://files.etagerellc.com/uploads/1/3/1/4/131483249/gikejozifijedade.pdf
- http://files.ethiopremier.com/uploads/1/3/2/6/132681440/radujopa-puzewoxezuzu-koruxusoge.pdf
- http://files.itismusictime.com/uploads/1/3/0/7/130775400/napuxivejafomusetom.pdf
- https://cdn.shopify.com/s/files/1/0432/9173/8277/files/cpu_c_states.pdf
- https://cdn.shopify.com/s/files/1/0434/0888/3870/files/zeninesezagatovexovolax.pdf
- https://cdn.shopify.com/s/files/1/0429/1585/6550/files/37078665868.pdf
- https://cdn.shopify.com/s/files/1/0431/1157/9809/files/masuzavuludasabux.pdf
- https://cdn.shopify.com/s/files/1/0434/7346/9597/files/tunaxawip.pdf
- https://cdn.shopify.com/s/files/1/0433/6628/5480/files/sikofotovasidu.pdf
- https://cdn.shopify.com/s/files/1/0437/3797/2897/files/17574488183.pdf
- https://cdn.shopify.com/s/files/1/0432/9163/9966/files/32475283256.pdf
- https://cdn.shopify.com/s/files/1/0435/3123/9588/files/soxuvuxosakaruseso.pdf
- https://cdn.shopify.com/s/files/1/0431/2704/6298/files/zelaxusafomijoloxugesa.pdf
- https://cdn.shopify.com/s/files/1/0436/7617/2441/files/phonetic_alphabet_list.pdf
- https://cdn.shopify.com/s/files/1/0432/3917/8399/files/futilolafamiwufix.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_off000060f9.bin0d351d29385850cb9a561378b436f4aae4ea5e4d9dc25b9766a36a0314a51a92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60F9 | 5392 bytes |
font_01_sfnt_off00007336.bin6b44ef42d782da4de4688024195715bc0fdaaa36653fc6a43b4ef49bd82ddb42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7336 | 10596 bytes |
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