MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=physical+science+grade+11+exam+guidelines+2018'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to malicious infrastructure under the guise of providing exam guidelines. The presence of a link farm further supports the malicious intent.
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=physical+science+grade+11+exam+guidelines+2018 In PDF document text
- http://mekirib.everbriteabrasive.net/uploads/1/3/1/3/131379874/wodef-pixazopevora.pdfIn PDF document text
- http://files.albadrivingschool.com/uploads/1/3/2/8/132814306/2301697.pdfIn PDF document text
- http://manimu.artistshore.com/uploads/1/3/1/1/131163599/1914d9435def.pdfIn PDF document text
- http://files.txaddictionpain.org/uploads/1/3/1/4/131438348/8030468.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/1/0432/4953/3088/files/nebuzoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8180/9558/files/agitators_and_mixers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0818/6792/files/toefl_speaking_topics_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6105/1546/files/31818586298.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8083/5482/files/nintendo_dsi_operations_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2817/5265/files/pomejamebipajediwonas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1718/3130/files/42670801752.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3429/4937/files/84264758738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1458/5509/files/93287479062.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0958/4802/files/paxful_bitcoin_wallet_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0455/7596/2789/files/didotaxowujatur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xazome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/62396041106.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1311/8872/files/80945563718.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000555b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x555B | 6044 bytes |
SHA-256: 6ad11d118af312d8d0248f882011b057997026e7c5db2bb348a4f0e3d3c5cfed |
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font_01_sfnt_off000069bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69BD | 13428 bytes |
SHA-256: fd9fa67c7dbf52d9ffdae35d4b83a1681bc25057d33f43df00f2009142bb61b8 |
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