MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which are SEO-optimized PDF documents, designed to redirect users to malicious infrastructure. The primary redirector URL, 'https://ttraff.cc/pify?keyword=elementary+algebra+worksheets+pdf', is flagged as malicious. This indicates a link-farming or redirection scheme to distribute malware or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=elementary+algebra+worksheets+pdf
- http://files.dasunorthwales.co.uk/uploads/1/3/0/8/130874296/potoluzasiju.pdf
- http://files.plantbacteriology.com/uploads/1/3/1/4/131482931/7216935.pdf
- http://rivunif.schifferpublishingltd.com/uploads/1/3/1/4/131482995/gonedatunedi-zupazelekuv-kezog.pdf
- http://files.rosellepark247.org/uploads/1/3/0/9/130969377/6976100.pdf
- http://files.oneninefoursixzero.com/uploads/1/3/1/4/131437765/jelawuvabuner-vaduxaw-jajadotaribano-bidozabopisaju.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/1084/0981/files/troy_bilt_horse_tiller_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/4483/8303/files/fejalalazub.pdf
- https://cdn.shopify.com/s/files/1/0438/9886/3771/files/minecraft_building_plans_pdf.pdf
- https://cdn.shopify.com/s/files/1/0438/2228/4960/files/act_plugin_ffxiv.pdf
- https://cdn.shopify.com/s/files/1/0435/1829/6216/files/49222193503.pdf
- https://cdn.shopify.com/s/files/1/0429/9092/8026/files/gonuzodoxalimi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bifezunelavezide.pdf
- https://cdn.shopify.com/s/files/1/0430/1747/0101/files/55821875043.pdf
- https://cdn.shopify.com/s/files/1/0429/3358/4035/files/33106357157.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/23181272522.pdf
- https://cdn.shopify.com/s/files/1/0430/0098/7801/files/3268329328.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063d2.bin4fd129eedeed6f325673b9b7438217d677763da4bebee2dcbf8fd8292fcd6986 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63D2 | 5812 bytes |
font_01_sfnt_off00007787.bin28d80e4844f54e9d30cfbed7e96e168ebae5b7555b0f49d37b62eccb77cd3001 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7787 | 9764 bytes |
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