MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious URL, identified as a redirector for phishing or malware distribution. The document body, though heavily obfuscated, contains text referencing 'Phpstorm acitvation code' and the malicious URL, suggesting a lure to trick users into clicking. The presence of numerous PDF links further indicates a link farm designed for SEO manipulation to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=phpstorm+acitvation+code In PDF document text
- http://files.simeksfarm.com/uploads/1/3/1/4/131454766/a4cc6.pdfIn PDF document text
- http://files.naturebajuicebar.com/uploads/1/3/1/3/131398385/7bb9e069490f1.pdfIn PDF document text
- http://files.jillwarnearts.com/uploads/1/3/0/7/130776082/zonupagisakab_wojedevopur_lajaxokipa.pdfIn PDF document text
- http://files.pulsarevent.com/uploads/1/3/1/4/131408024/4632308.pdfIn PDF document text
- http://files.bopmusicschool.org.nz/uploads/1/3/1/4/131437172/9664d77cde.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5122/0133/files/wudajupopogot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3276/3801/files/kexedewosebemolok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8674/9604/files/vemojagoxunevu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5244/9444/files/8546072997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2861/9168/files/wopimilenekaxepojem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9315/5237/files/57151528923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9880/7202/files/vonefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3206/8775/files/liregaxifadikebe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8333/3786/files/53316115365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6661/2130/files/63915169063.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7654/0834/files/52700611737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8897/7815/files/11240714882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/80134972724.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00006345.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x6345 | 9552 bytes |
SHA-256: 22f9358c27d8bf48ecccacf9af0de4f3286b5d1d3c7510308c9c7ebdc9a5b21b |
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font_01_sfnt_off000082af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82AF | 5340 bytes |
SHA-256: 1d63d79b5e3d085e18df40566811738581292992e5b5e4d77a9e197980f4641a |
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font_02_sfnt_off000094b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94B1 | 10100 bytes |
SHA-256: b8b51de6cfd4f4af928e2288398009b696a4a2390d444bb56acfd7e92681896b |
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