MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The embedded URL, 'https://ttraff.cc/pify?keyword=birthday+invitations+text+templates', is the primary indicator of malicious intent, likely serving as a lure for further malicious activity. The document body, though heavily obfuscated, contains this URL and other links, reinforcing the phishing pretext. 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=birthday+invitations+text+templates
- http://xoniv.virginiabeachneurofeedback.com/uploads/1/3/2/7/132740805/423057.pdf
- https://cdn.shopify.com/s/files/1/0434/0586/9213/files/aravali_express_19707_andheri_platform.pdf
- https://cdn.shopify.com/s/files/1/0431/8173/6096/files/blank_calendar_template_dec_2019.pdf
- https://cdn.shopify.com/s/files/1/0431/9258/2293/files/97119822399.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/98153809917.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/saburujowizatigilo.pdf
- https://cdn.shopify.com/s/files/1/0431/1239/9010/files/fovonez.pdf
- https://cdn.shopify.com/s/files/1/0437/7716/3426/files/suwiwaxujijoxigunimijak.pdf
- https://cdn.shopify.com/s/files/1/0434/7258/4870/files/niwiwafofaxa.pdf
- https://cdn.shopify.com/s/files/1/0432/7302/7749/files/21677454034.pdf
- https://cdn.shopify.com/s/files/1/0434/3942/3655/files/xixinosogavug.pdf
- https://cdn.shopify.com/s/files/1/0433/4324/9576/files/no_more_excuses_brian_tracy.pdf
- https://cdn.shopify.com/s/files/1/0432/5477/5970/files/rfp_response_examples.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_off000045cb.binb4930c28d77b9e327df1cede798b1926bf08ae5cf7aecd23833c27b739ac0c2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45CB | 5476 bytes |
font_01_sfnt_off0000584e.bine8aefc0d69ce178ee9a03d2b6766cfefc22a904e7863e4fb6a3e5691c27b8204 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x584E | 9772 bytes |
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