MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Java tutorial pdf' and the malicious URL, suggesting a lure. The presence of a link farm further supports the malicious intent of directing users to potentially harmful sites.
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.com/pify?keyword=java+tutorial+pdf+tutorialspoint+free In PDF document text
- http://gewetivo.mistystevensbluegrass.net/uploads/1/3/1/3/131380600/xobakaboni.pdfIn PDF document text
- http://files.marknarins.com/uploads/1/3/2/6/132682848/zemesi_zelogozat_jofeluweviredeb.pdfIn PDF document text
- http://files.ememathshub.org/uploads/1/3/0/7/130775786/5799797.pdfIn PDF document text
- http://files.opadental.com/uploads/1/3/0/9/130969358/jawidunujoz.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/1/0429/6137/1290/files/mubivesamafejixanopida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0196/9820/files/62519613481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7927/0554/files/nakijumofug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9041/0658/files/rezetek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1921/4756/files/zenalusawojidozate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/kupenijenaxopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5981/4306/files/vascular_anatomy_of_the_brain.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4090/5128/files/blackbird_beatles_guitar_tab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/222223695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5034/4352/files/biceps_tendonitis_at_elbow_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7088/1946/files/19197041876.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A7A | 6568 bytes |
SHA-256: 2ba6e0c4516ae528974428ab90d2fcb845e31fc6427c3681d976df34e50bf0fe |
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font_01_sfnt_off00007ac7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC7 | 5084 bytes |
SHA-256: f115f124009611ba0f017164eee8d42c6d79cb4f44dc4bcbd8a2e2f869f49a35 |
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font_02_sfnt_off00008c24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C24 | 1804 bytes |
SHA-256: f101fc3023143cbc24e87e2583c027b8b5ab7dfb9504abb66ff99af634bcdac9 |
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font_03_sfnt_off000094ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94FF | 10296 bytes |
SHA-256: 4c5d887fa6ed90d65df2872cc17399efa1cb4e0d5766b09d9159663a0b752907 |
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font_04_sfnt_off0000b838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB838 | 16148 bytes |
SHA-256: 64f21e55c2f29c6f605e8f9fd96e7f7b34f9b4a26fdc717ddead948457370e3b |
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