MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though heavily obfuscated, contains text related to organic chemistry practice problems, suggesting a lure to entice users to click the malicious links. The presence of numerous PDF links and a redirector strongly indicates a phishing or credential harvesting attempt.
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=organic+chemistry+acid+base+practice+problems+with+answers+pdf In PDF document text
- http://files.aifby.com/uploads/1/3/0/9/130969674/9d77d.pdfIn PDF document text
- http://files.setsunlimited.com/uploads/1/3/1/4/131408344/vawamobijozaxo-beraruzobikawer.pdfIn PDF document text
- http://files.michaelmackinomara.com/uploads/1/3/1/4/131453494/1934221.pdfIn PDF document text
- http://files.charbroilcatering.com/uploads/1/3/1/4/131406736/katijilebaja.pdfIn PDF document text
- http://files.sendbrandon.com/uploads/1/3/0/7/130775760/telupas.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/8099/1388/files/nufixojowaludipuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/gitupotuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/79265304831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1478/2119/files/special_casting_process.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/45229781584.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4996/5985/files/96079133231.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2920/8992/files/50099156990.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1848/5923/files/70676006685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/odevzdn_bakalsk_prce_upol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/19983023963.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1362/7294/files/kebowotosewadasuna.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0134/7226/files/12748095925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53635556436.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2902/0317/files/80628033324.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_off00008948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8948 | 5720 bytes |
SHA-256: f3de9b9dcbbcb3c4fd3cc3b9eed050ef9e35142f7e4bf9db1c8838c1dfded5df |
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font_01_sfnt_off00009c95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C95 | 15488 bytes |
SHA-256: a23a9226a424965248b431a0e457d6a3f722cfcad627cd6d7305823a1416dcce |
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font_02_sfnt_off0000cbdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBDD | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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