MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one identified as a malicious redirector, disguised within content that appears to be an 'answer key'. This suggests a phishing or malware distribution attempt. The presence of a link farm and the ML classifier's high confidence score further support the malicious nature of this document.
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=as+time+flies+by+answer+key
- http://files.murphybocce.com/uploads/1/3/2/6/132695569/8b9557c431721.pdf
- http://files.autumnhype.com/uploads/1/3/1/4/131453384/sifigibit-nateximal-zesere.pdf
- http://ramegeb.sc4hffameatgoatproject.com/uploads/1/3/2/8/132814930/zilun.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/8068/7524/files/sokelaludukodoriruv.pdf
- https://cdn.shopify.com/s/files/1/0432/0729/5140/files/84626331231.pdf
- https://cdn.shopify.com/s/files/1/0433/5661/8911/files/caste_validity_application_form_marathi.pdf
- https://cdn.shopify.com/s/files/1/0429/5327/7589/files/28711035187.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdf
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/56946644688.pdf
- https://cdn.shopify.com/s/files/1/0437/4154/4600/files/20262895565.pdf
- https://cdn.shopify.com/s/files/1/0430/8543/0945/files/69960437891.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000540a.bin25e93232ac58d2278537c5149b42a206468547dc12f748121e431c32d5de752a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x540A | 4976 bytes |
font_01_sfnt_off000064dd.bin402a4ee1b9d737c7f2eaab143ce7fbf740def96a58d3bdf0cb8f16414598b887 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DD | 9940 bytes |
font_02_sfnt_off000086d5.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86D5 | 4324 bytes |
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