MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to a redirector service (ttraff.com) which is flagged as malicious. The document body and embedded links suggest a lure for a 'calorimetry lab report pdf' to trick users into visiting a malicious site. The ML classifier strongly indicates maliciousness, and the presence of numerous external PDF links points to a link farm SEO tactic.
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=calorimetry+lab+report+pdf In PDF document text
- http://files.theagileapprentice.co.uk/uploads/1/3/1/3/131380558/naderawoki_lunewujotopok.pdfIn PDF document text
- http://files.shilohlabradoodles.com/uploads/1/3/0/7/130776314/adc50b.pdfIn PDF document text
- http://files.smplyjohn.com/uploads/1/3/1/3/131384300/sijeb-besomenabewuz-mojegifogonesed.pdfIn PDF document text
- http://files.robindaviesconsulting.com/uploads/1/3/1/4/131453284/67e560624087.pdfIn PDF document text
- http://files.therealfoodcafe.com/uploads/1/3/0/9/130969097/cd4889.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/1/0435/3651/5224/files/9214623420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7093/9541/files/60587195713.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0042/9731/files/62989271329.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/titukovupegamusadoxidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9465/4632/files/54493959992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8000/0423/files/39035740003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3032/3095/files/21074888917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2206/3515/files/80506146489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4765/6343/files/74505164681.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/41049783562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7265/1413/files/tijijajajir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/denikiv.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 |
|---|---|---|---|
font_00_sfnt_off00008d44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D44 | 4956 bytes |
SHA-256: 45d0de13175a24ae0ae70831476ca396eee1cc09eed14f6a0d17b2fb13bb3e15 |
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font_01_sfnt_off00009e29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E29 | 2356 bytes |
SHA-256: 59cce2deb050f194d385946fdcc6421b917218ff7ae8eefc9346c3c8e578579f |
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font_02_sfnt_off0000a852.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA852 | 10816 bytes |
SHA-256: c1565d5dd8d7adca6b2174e37bdb9cfe0934d228053e45601a146bdf74bb5106 |
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