MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text fragments suggesting it is a 'revision guide' and includes the malicious URL. This indicates a phishing attempt to redirect users to malicious infrastructure.
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=an+inspector+calls+revision+guide+online
- http://files.stalbridgelibrary.org/uploads/1/3/0/7/130740142/sumenilebi.pdf
- http://files.henhouseart.co.uk/uploads/1/3/1/4/131438323/e9a7b39d6f.pdf
- http://files.mazarchery.com/uploads/1/3/2/8/132815737/kagibipijitigawas.pdf
- http://files.melindacochraneauthor.com/uploads/1/3/0/8/130874683/8ff08058f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0448/8301/7895/files/brother_of_the_year_english.pdf
- https://cdn.shopify.com/s/files/1/0429/2175/4787/files/530262831.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/azotobacter_sp.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21800621301.pdf
- https://cdn.shopify.com/s/files/1/0432/5939/6254/files/jimigutowufaxefar.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.pdf
- https://cdn.shopify.com/s/files/1/0434/8333/2772/files/60893539214.pdf
- https://cdn.shopify.com/s/files/1/0432/0159/3505/files/jukefetevagopuwewesifodek.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/77145217689.pdf
- https://cdn.shopify.com/s/files/1/0437/2099/9064/files/define_the_concept_of_administration.pdf
- https://cdn.shopify.com/s/files/1/0430/8582/4164/files/sikufumanane.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/gimuzeximedofo.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_off00004f04.binb3e3b7d8a28b6078f84a44a2f27adf130f3f7616c57ce916e7a43b63ae1a908e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F04 | 5288 bytes |
font_01_sfnt_off00006108.binb01a18abce78a1bb5b3ea957cff65399ff925501b260de7f80e7398e0e79ed2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6108 | 10080 bytes |
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