MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file exhibits malicious behavior by acting as a link farm, directing users to multiple external URLs, one of which is a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to IELTS vocabulary, aiming to disguise the malicious intent. The presence of numerous links, including a critical heuristic firing for PDF_SEO_LINK_FARM, strongly suggests an attempt to drive traffic to potentially harmful sites.
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=vocabulary+for+ielts+writing+task+1+academic+pdf
- http://files.glasgowchamber.net/uploads/1/3/0/7/130738919/xinusezepibobiwab.pdf
- http://files.sbcopywriting.com/uploads/1/3/2/7/132740218/644292.pdf
- http://files.development12508.com/uploads/1/3/1/6/131607522/vipine.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89120948070.pdf
- https://cdn.shopify.com/s/files/1/0438/8143/1195/files/68012591966.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kilezibuvi.pdf
- https://cdn.shopify.com/s/files/1/0431/1403/7397/files/49910335266.pdf
- https://cdn.shopify.com/s/files/1/0430/8549/6469/files/savaruwasizigobutitez.pdf
- https://cdn.shopify.com/s/files/1/0431/3448/4648/files/20394010675.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zosakasebiribo.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/21496511056.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexanenivoxepabulolud.pdf
- https://cdn.shopify.com/s/files/1/0437/7526/2869/files/wazubemosisiwefigufuke.pdf
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/liwunibojukufugozogowel.pdf
- https://cdn.shopify.com/s/files/1/0430/7304/4642/files/tatukotugebo.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/
- https://cdn.shopify.com/s/files/1/0430/8549/6469/files/s
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000757b.binf27f89d75a12845972e4949f02dbad2518c49b2fd7fb413a1a5b4a7da208e469 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x757B | 5772 bytes |
font_01_sfnt_off0000891e.bin4fcd9a142080494ca6f6539e757cdfdf93c7a175bc3ca922798b271fee2ffd2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x891E | 10532 bytes |
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